{
  "version": "reconciled-tree-31",
  "date": "2026-10-12",
  "scope": "Earlier account observations and source-level continuity reviews. Dates are the conservative latest year of each dated witness range. Depth measures one documented path, not completeness of every predecessor.",
  "summary": {
    "strict_improved_endpoints": 1,
    "including_optional_improved_endpoints": 6,
    "new_observations": 44,
    "relationship_reviews": 1,
    "new_ancestry_edges": 2,
    "new_currency_identities": 9,
    "new_claims": 68,
    "new_source_records": 31
  },
  "thresholds_before": {
    "1900": {
      "strict_ancestry": 112,
      "ancestry_including_qualified": 148,
      "including_optional_references": 148
    },
    "1800": {
      "strict_ancestry": 75,
      "ancestry_including_qualified": 131,
      "including_optional_references": 131
    },
    "1700": {
      "strict_ancestry": 54,
      "ancestry_including_qualified": 111,
      "including_optional_references": 111
    },
    "1500": {
      "strict_ancestry": 35,
      "ancestry_including_qualified": 92,
      "including_optional_references": 92
    },
    "1100": {
      "strict_ancestry": 24,
      "ancestry_including_qualified": 38,
      "including_optional_references": 38
    },
    "800": {
      "strict_ancestry": 0,
      "ancestry_including_qualified": 38,
      "including_optional_references": 38
    },
    "700": {
      "strict_ancestry": 0,
      "ancestry_including_qualified": 10,
      "including_optional_references": 10
    },
    "1": {
      "strict_ancestry": 0,
      "ancestry_including_qualified": 0,
      "including_optional_references": 0
    },
    "-600": {
      "strict_ancestry": 0,
      "ancestry_including_qualified": 0,
      "including_optional_references": 0
    }
  },
  "thresholds_after": {
    "1900": {
      "strict_ancestry": 112,
      "ancestry_including_qualified": 148,
      "including_optional_references": 148
    },
    "1800": {
      "strict_ancestry": 76,
      "ancestry_including_qualified": 131,
      "including_optional_references": 131
    },
    "1700": {
      "strict_ancestry": 55,
      "ancestry_including_qualified": 111,
      "including_optional_references": 111
    },
    "1500": {
      "strict_ancestry": 36,
      "ancestry_including_qualified": 92,
      "including_optional_references": 92
    },
    "1100": {
      "strict_ancestry": 24,
      "ancestry_including_qualified": 44,
      "including_optional_references": 44
    },
    "800": {
      "strict_ancestry": 0,
      "ancestry_including_qualified": 38,
      "including_optional_references": 38
    },
    "700": {
      "strict_ancestry": 0,
      "ancestry_including_qualified": 10,
      "including_optional_references": 10
    },
    "1": {
      "strict_ancestry": 0,
      "ancestry_including_qualified": 0,
      "including_optional_references": 0
    },
    "-600": {
      "strict_ancestry": 0,
      "ancestry_including_qualified": 0,
      "including_optional_references": 0
    }
  },
  "rows": [
    {
      "code": "AED",
      "strict_before": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0387",
          "R0392"
        ]
      },
      "strict_after": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0387",
          "R0392"
        ]
      },
      "including_optional_before": {
        "year": 1400,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1878"
        ],
        "source_ids": [
          "S984"
        ],
        "qualifications": [
          "C1878: supported_inference"
        ],
        "relationship_ids": [
          "R-V24-004",
          "R-V27-014",
          "R0391"
        ]
      },
      "including_optional_after": {
        "year": 1400,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1878"
        ],
        "source_ids": [
          "S984"
        ],
        "qualifications": [
          "C1878: supported_inference"
        ],
        "relationship_ids": [
          "R-V24-004",
          "R-V27-014",
          "R0391"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "AFN",
      "strict_before": {
        "year": 1926,
        "currency_id": "FTM000298",
        "claim_ids": [
          "C1136"
        ],
        "source_ids": [
          "S539",
          "S324"
        ],
        "qualifications": [],
        "relationship_ids": []
      },
      "strict_after": {
        "year": 1926,
        "currency_id": "FTM000298",
        "claim_ids": [
          "C1136"
        ],
        "source_ids": [
          "S539",
          "S324"
        ],
        "qualifications": [],
        "relationship_ids": []
      },
      "including_optional_before": {
        "year": 1926,
        "currency_id": "FTM000298",
        "claim_ids": [
          "C1136"
        ],
        "source_ids": [
          "S539",
          "S324"
        ],
        "qualifications": [],
        "relationship_ids": []
      },
      "including_optional_after": {
        "year": 1926,
        "currency_id": "FTM000298",
        "claim_ids": [
          "C1136"
        ],
        "source_ids": [
          "S539",
          "S324"
        ],
        "qualifications": [],
        "relationship_ids": []
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "ALL",
      "strict_before": {
        "year": 1920,
        "currency_id": "CUR-V22-ALBANIAN-FRANG",
        "claim_ids": [
          "C1768"
        ],
        "source_ids": [
          "S919"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-001"
        ]
      },
      "strict_after": {
        "year": 1920,
        "currency_id": "CUR-V22-ALBANIAN-FRANG",
        "claim_ids": [
          "C1768"
        ],
        "source_ids": [
          "S919"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-001"
        ]
      },
      "including_optional_before": {
        "year": 1920,
        "currency_id": "CUR-V22-ALBANIAN-FRANG",
        "claim_ids": [
          "C1768"
        ],
        "source_ids": [
          "S919"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-001"
        ]
      },
      "including_optional_after": {
        "year": 1920,
        "currency_id": "CUR-V22-ALBANIAN-FRANG",
        "claim_ids": [
          "C1768"
        ],
        "source_ids": [
          "S919"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-001"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "AMD",
      "strict_before": {
        "year": 1538,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1751"
        ],
        "source_ids": [
          "S903",
          "S902"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-002"
        ]
      },
      "strict_after": {
        "year": 1538,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1751"
        ],
        "source_ids": [
          "S903",
          "S902"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-002"
        ]
      },
      "including_optional_before": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-002"
        ]
      },
      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-002"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "AOA",
      "strict_before": {
        "year": 1953,
        "currency_id": "FTM000154",
        "claim_ids": [
          "C1298"
        ],
        "source_ids": [
          "S659"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-022"
        ]
      },
      "strict_after": {
        "year": 1953,
        "currency_id": "FTM000154",
        "claim_ids": [
          "C1298"
        ],
        "source_ids": [
          "S659"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-022"
        ]
      },
      "including_optional_before": {
        "year": 1401,
        "currency_id": "CUR-V28-PORTUGUESE-LIBRA",
        "claim_ids": [
          "C1743"
        ],
        "source_ids": [
          "S930"
        ],
        "qualifications": [
          "C1690: indexed evidence",
          "C1451: indexed evidence",
          "C1689: indexed evidence",
          "C1011: indexed evidence"
        ],
        "relationship_ids": [
          "R-V28-003",
          "R0428",
          "R-V27-031",
          "R-V27-032",
          "R-V22-022"
        ]
      },
      "including_optional_after": {
        "year": 1091,
        "currency_id": "CUR-V28-PORTUGUESE-LIBRA",
        "claim_ids": [
          "C1931"
        ],
        "source_ids": [
          "S988"
        ],
        "qualifications": [
          "C1690: indexed evidence",
          "C1451: indexed evidence",
          "C1689: indexed evidence",
          "C1011: indexed evidence",
          "C1931: qualified"
        ],
        "relationship_ids": [
          "R-V28-003",
          "R0428",
          "R-V27-031",
          "R-V27-032",
          "R-V22-022"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": true
    },
    {
      "code": "ARS",
      "strict_before": {
        "year": 1881,
        "currency_id": "FTM000057",
        "claim_ids": [
          "C1012"
        ],
        "source_ids": [
          "S481"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0431",
          "R0432"
        ]
      },
      "strict_after": {
        "year": 1881,
        "currency_id": "FTM000057",
        "claim_ids": [
          "C1012"
        ],
        "source_ids": [
          "S481"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0431",
          "R0432"
        ]
      },
      "including_optional_before": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1248: supported_inference",
          "C1247: supported_inference",
          "R-V25-002: qualified relationship",
          "R-V25-002: compressed local stages; dates are a research envelope",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V25-002",
          "R-V25-003",
          "R0431",
          "R0432"
        ]
      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1248: supported_inference",
          "C1247: supported_inference",
          "R-V25-002: qualified relationship",
          "R-V25-002: compressed local stages; dates are a research envelope",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V25-002",
          "R-V25-003",
          "R0431",
          "R0432"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "AUD",
      "strict_before": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0358",
          "R0050"
        ]
      },
      "strict_after": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0358",
          "R0050"
        ]
      },
      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1829: qualified"
        ],
        "relationship_ids": [
          "R0358",
          "R0050"
        ]
      },
      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1829: qualified"
        ],
        "relationship_ids": [
          "R0358",
          "R0050"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "AWG",
      "strict_before": {
        "year": 1816,
        "currency_id": "FTM000337",
        "claim_ids": [
          "C1269"
        ],
        "source_ids": [
          "S619"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V23-007",
          "R-V22-023"
        ]
      },
      "strict_after": {
        "year": 1816,
        "currency_id": "FTM000337",
        "claim_ids": [
          "C1269"
        ],
        "source_ids": [
          "S619"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V23-007",
          "R-V22-023"
        ]
      },
      "including_optional_before": {
        "year": 1526,
        "currency_id": "FTM000337",
        "claim_ids": [
          "C1270"
        ],
        "source_ids": [
          "S620",
          "S621",
          "S619"
        ],
        "qualifications": [
          "C1270: supported_inference"
        ],
        "relationship_ids": [
          "R-V23-007",
          "R-V22-023"
        ]
      },
      "including_optional_after": {
        "year": 1526,
        "currency_id": "FTM000337",
        "claim_ids": [
          "C1270"
        ],
        "source_ids": [
          "S620",
          "S621",
          "S619"
        ],
        "qualifications": [
          "C1270: supported_inference"
        ],
        "relationship_ids": [
          "R-V23-007",
          "R-V22-023"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "AZN",
      "strict_before": {
        "year": 1538,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1751"
        ],
        "source_ids": [
          "S903",
          "S902"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-003"
        ]
      },
      "strict_after": {
        "year": 1538,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1751"
        ],
        "source_ids": [
          "S903",
          "S902"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-003"
        ]
      },
      "including_optional_before": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-003"
        ]
      },
      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-003"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BAM",
      "strict_before": {
        "year": 1990,
        "currency_id": "FTM000255",
        "claim_ids": [
          "C925"
        ],
        "source_ids": [
          "S443"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V27-046",
          "R-V22-024"
        ]
      },
      "strict_after": {
        "year": 1990,
        "currency_id": "FTM000255",
        "claim_ids": [
          "C925"
        ],
        "source_ids": [
          "S443"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V27-046",
          "R-V22-024"
        ]
      },
      "including_optional_before": {
        "year": 1400,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1878"
        ],
        "source_ids": [
          "S984"
        ],
        "qualifications": [
          "C1636: indexed evidence",
          "C1878: supported_inference"
        ],
        "relationship_ids": [
          "R-V30-001",
          "R-V30-002",
          "R0346",
          "R0347",
          "R-V27-046",
          "R-V22-024"
        ]
      },
      "including_optional_after": {
        "year": 1400,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1878"
        ],
        "source_ids": [
          "S984"
        ],
        "qualifications": [
          "C1636: indexed evidence",
          "C1878: supported_inference"
        ],
        "relationship_ids": [
          "R-V30-001",
          "R-V30-002",
          "R0346",
          "R0347",
          "R-V27-046",
          "R-V22-024"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BBD",
      "strict_before": {
        "year": 1946,
        "currency_id": "T-FTM000515",
        "claim_ids": [
          "C1516"
        ],
        "source_ids": [
          "S848"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0057"
        ]
      },
      "strict_after": {
        "year": 1946,
        "currency_id": "T-FTM000515",
        "claim_ids": [
          "C1516"
        ],
        "source_ids": [
          "S848"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0057"
        ]
      },
      "including_optional_before": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1682: indexed evidence",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-024",
          "R0057"
        ]
      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1682: indexed evidence",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-024",
          "R0057"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BDT",
      "strict_before": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0383",
          "R0384"
        ]
      },
      "strict_after": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0383",
          "R0384"
        ]
      },
      "including_optional_before": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0383",
          "R0384"
        ]
      },
      "including_optional_after": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0383",
          "R0384"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BHD",
      "strict_before": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0387"
        ]
      },
      "strict_after": {
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0387"
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      },
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        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0387"
        ]
      },
      "including_optional_after": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0387"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
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      "code": "BIF",
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        "year": 1887,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C792"
        ],
        "source_ids": [
          "S389",
          "S409"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0252",
          "R0254"
        ]
      },
      "strict_after": {
        "year": 1887,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C792"
        ],
        "source_ids": [
          "S389",
          "S409"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0252",
          "R0254"
        ]
      },
      "including_optional_before": {
        "year": 1886,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C1771"
        ],
        "source_ids": [
          "S921"
        ],
        "qualifications": [
          "C1771: supported_inference"
        ],
        "relationship_ids": [
          "R0252",
          "R0254"
        ]
      },
      "including_optional_after": {
        "year": 1886,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C1771"
        ],
        "source_ids": [
          "S921"
        ],
        "qualifications": [
          "C1771: supported_inference"
        ],
        "relationship_ids": [
          "R0252",
          "R0254"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BMD",
      "strict_before": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0060"
        ]
      },
      "strict_after": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0060"
        ]
      },
      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1829: qualified"
        ],
        "relationship_ids": [
          "R0060"
        ]
      },
      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1829: qualified"
        ],
        "relationship_ids": [
          "R0060"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BND",
      "strict_before": {
        "year": 1822,
        "currency_id": "T-FTM000478",
        "claim_ids": [
          "C1202"
        ],
        "source_ids": [
          "S67"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0377",
          "R0048"
        ]
      },
      "strict_after": {
        "year": 1822,
        "currency_id": "T-FTM000478",
        "claim_ids": [
          "C1202"
        ],
        "source_ids": [
          "S67"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0377",
          "R0048"
        ]
      },
      "including_optional_before": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1181: supported_inference",
          "R0033: qualified relationship",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R0033",
          "R0377",
          "R0048"
        ]
      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1181: supported_inference",
          "R0033: qualified relationship",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R0033",
          "R0377",
          "R0048"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BOB",
      "strict_before": {
        "year": 1863,
        "currency_id": "FTM000063",
        "claim_ids": [
          "C1023"
        ],
        "source_ids": [
          "S482"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0435",
          "R0436"
        ]
      },
      "strict_after": {
        "year": 1863,
        "currency_id": "FTM000063",
        "claim_ids": [
          "C1023"
        ],
        "source_ids": [
          "S482"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0435",
          "R0436"
        ]
      },
      "including_optional_before": {
        "year": 1863,
        "currency_id": "FTM000063",
        "claim_ids": [
          "C1023"
        ],
        "source_ids": [
          "S482"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0435",
          "R0436"
        ]
      },
      "including_optional_after": {
        "year": 1863,
        "currency_id": "FTM000063",
        "claim_ids": [
          "C1023"
        ],
        "source_ids": [
          "S482"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0435",
          "R0436"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BRL",
      "strict_before": {
        "year": 1692,
        "currency_id": "FTM000145",
        "claim_ids": [
          "C1778"
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        "source_ids": [
          "S928"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0420",
          "R0422",
          "R0425"
        ]
      },
      "strict_after": {
        "year": 1692,
        "currency_id": "FTM000145",
        "claim_ids": [
          "C1778"
        ],
        "source_ids": [
          "S928"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0420",
          "R0422",
          "R0425"
        ]
      },
      "including_optional_before": {
        "year": 1401,
        "currency_id": "CUR-V28-PORTUGUESE-LIBRA",
        "claim_ids": [
          "C1743"
        ],
        "source_ids": [
          "S930"
        ],
        "qualifications": [
          "R0419: compressed local stages; dates are a research envelope"
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        "relationship_ids": [
          "R-V28-003",
          "R0419",
          "R0420",
          "R0422",
          "R0425"
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      },
      "including_optional_after": {
        "year": 1091,
        "currency_id": "CUR-V28-PORTUGUESE-LIBRA",
        "claim_ids": [
          "C1931"
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        "source_ids": [
          "S988"
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        "qualifications": [
          "R0419: compressed local stages; dates are a research envelope",
          "C1931: qualified"
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        "relationship_ids": [
          "R-V28-003",
          "R0419",
          "R0420",
          "R0422",
          "R0425"
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      },
      "strict_improved": false,
      "including_optional_improved": true
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    {
      "code": "BSD",
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        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0059"
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      },
      "strict_after": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0059"
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      },
      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
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        "source_ids": [
          "S942",
          "S943"
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          "C1829: qualified"
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        "relationship_ids": [
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      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
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        "source_ids": [
          "S942",
          "S943"
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        "qualifications": [
          "C1829: qualified"
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        "relationship_ids": [
          "R0059"
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      "strict_improved": false,
      "including_optional_improved": false
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    {
      "code": "BTN",
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
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        "source_ids": [
          "S910"
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        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R-V22-025"
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      },
      "strict_after": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
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        "source_ids": [
          "S910"
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        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R-V22-025"
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      },
      "including_optional_before": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
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        "source_ids": [
          "S580"
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        "qualifications": [
          "C1197: supported_inference"
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        "relationship_ids": [
          "R-V22-051",
          "R-V22-025"
        ]
      },
      "including_optional_after": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
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        "source_ids": [
          "S580"
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        "qualifications": [
          "C1197: supported_inference"
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        "relationship_ids": [
          "R-V22-051",
          "R-V22-025"
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      },
      "strict_improved": false,
      "including_optional_improved": false
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      "code": "BWP",
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        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
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        "source_ids": [
          "S632",
          "S944"
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        "qualifications": [],
        "relationship_ids": [
          "R0368",
          "R0369",
          "R0370"
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      },
      "strict_after": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
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        "source_ids": [
          "S632",
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        "qualifications": [],
        "relationship_ids": [
          "R0368",
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          "R0370"
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      },
      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
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        "qualifications": [
          "C1829: qualified"
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        "relationship_ids": [
          "R0368",
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          "R0370"
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      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
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        "source_ids": [
          "S942",
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        "qualifications": [
          "C1829: qualified"
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        "relationship_ids": [
          "R0368",
          "R0369",
          "R0370"
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      "strict_improved": false,
      "including_optional_improved": false
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      "code": "BYN",
      "strict_before": null,
      "strict_after": null,
      "including_optional_before": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1622: indexed evidence",
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-026"
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      },
      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1622: indexed evidence",
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-026"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "BZD",
      "strict_before": {
        "year": 1497,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C336"
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        "source_ids": [
          "S171"
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        "qualifications": [],
        "relationship_ids": [
          "R-V27-034",
          "R-V27-020"
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      },
      "strict_after": {
        "year": 1497,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C336"
        ],
        "source_ids": [
          "S171"
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        "qualifications": [],
        "relationship_ids": [
          "R-V27-034",
          "R-V27-020"
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      },
      "including_optional_before": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-034",
          "R-V27-020"
        ]
      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
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        "source_ids": [
          "S630"
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        "qualifications": [
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-034",
          "R-V27-020"
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      },
      "strict_improved": false,
      "including_optional_improved": false
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      "code": "CAD",
      "strict_before": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
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        "source_ids": [
          "S632",
          "S944"
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        "qualifications": [],
        "relationship_ids": [
          "R0111",
          "R0113",
          "R0115"
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      },
      "strict_after": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
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        "qualifications": [],
        "relationship_ids": [
          "R0111",
          "R0113",
          "R0115"
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      },
      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
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        "qualifications": [
          "R0112: qualified relationship",
          "C1829: qualified"
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        "relationship_ids": [
          "R0112",
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      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
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        "source_ids": [
          "S942",
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        "qualifications": [
          "R0112: qualified relationship",
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        "relationship_ids": [
          "R0112",
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      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "CDF",
      "strict_before": {
        "year": 1887,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C792"
        ],
        "source_ids": [
          "S389",
          "S409"
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        "qualifications": [],
        "relationship_ids": [
          "R-V25-015",
          "R0251"
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      "strict_after": {
        "year": 1887,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C792"
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        "source_ids": [
          "S389",
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        "qualifications": [],
        "relationship_ids": [
          "R-V25-015",
          "R0251"
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      },
      "including_optional_before": {
        "year": 1886,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C1771"
        ],
        "source_ids": [
          "S921"
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        "qualifications": [
          "C1771: supported_inference"
        ],
        "relationship_ids": [
          "R-V25-015",
          "R0251"
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      },
      "including_optional_after": {
        "year": 1886,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C1771"
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        "source_ids": [
          "S921"
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        "qualifications": [
          "C1771: supported_inference"
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        "relationship_ids": [
          "R-V25-015",
          "R0251"
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      },
      "strict_improved": false,
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    },
    {
      "code": "CHF",
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        "year": 1799,
        "currency_id": "T-FTM000839",
        "claim_ids": [
          "C778"
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        "source_ids": [
          "S401"
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        "qualifications": [],
        "relationship_ids": [
          "R-V23-003"
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      "strict_after": {
        "year": 1799,
        "currency_id": "T-FTM000839",
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          "C778"
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        "relationship_ids": [
          "R-V23-003"
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      "including_optional_before": {
        "year": 1799,
        "currency_id": "T-FTM000839",
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      "including_optional_after": {
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      "strict_improved": false,
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        "currency_id": "FTM000066",
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          "C1272"
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        "source_ids": [
          "S624",
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          "R0433",
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        "year": 1851,
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          "R0433",
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      "including_optional_before": {
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        "currency_id": "FTM000066",
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        "relationship_ids": [
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      "including_optional_after": {
        "year": 1851,
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        "source_ids": [
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          "R0433",
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      "strict_improved": false,
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        ],
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          "R-V27-006",
          "R-V22-046"
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      },
      "including_optional_before": {
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        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1181: supported_inference",
          "R0033: qualified relationship",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R0033",
          "R0377",
          "R-V27-006",
          "R-V22-046"
        ]
      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1181: supported_inference",
          "R0033: qualified relationship",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R0033",
          "R0377",
          "R-V27-006",
          "R-V22-046"
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      },
      "strict_improved": false,
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    },
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        "currency_id": "FTM000375",
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          "C1880"
        ],
        "source_ids": [
          "S906",
          "S978",
          "S558"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V27-050",
          "R-V27-051",
          "R-V22-012"
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      },
      "strict_after": {
        "year": 1524,
        "currency_id": "FTM000375",
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          "C1880"
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        "source_ids": [
          "S906",
          "S978",
          "S558"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V27-050",
          "R-V27-051",
          "R-V22-012"
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      },
      "including_optional_before": {
        "year": 1524,
        "currency_id": "FTM000375",
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          "C1880"
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        "source_ids": [
          "S906",
          "S978",
          "S558"
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        "qualifications": [],
        "relationship_ids": [
          "R-V27-050",
          "R-V27-051",
          "R-V22-012"
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      "including_optional_after": {
        "year": 1524,
        "currency_id": "FTM000375",
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        "source_ids": [
          "S906",
          "S978",
          "S558"
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        "qualifications": [],
        "relationship_ids": [
          "R-V27-050",
          "R-V27-051",
          "R-V22-012"
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      "including_optional_improved": false
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051"
        ]
      },
      "strict_after": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
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        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051"
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        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051"
        ]
      },
      "including_optional_after": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "IQD",
      "strict_before": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R-V22-013"
        ]
      },
      "strict_after": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R-V22-013"
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      },
      "including_optional_before": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R-V22-013"
        ]
      },
      "including_optional_after": {
        "year": 1765,
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        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
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          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R-V22-013"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
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        "currency_id": "FTM000031",
        "claim_ids": [
          "C1497"
        ],
        "source_ids": [
          "S812"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-014"
        ]
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      "strict_after": {
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        "currency_id": "FTM000031",
        "claim_ids": [
          "C1497"
        ],
        "source_ids": [
          "S812"
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        "qualifications": [],
        "relationship_ids": [
          "R-V22-014"
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        "year": 1652,
        "currency_id": "FTM000031",
        "claim_ids": [
          "C1495"
        ],
        "source_ids": [
          "S811"
        ],
        "qualifications": [
          "C1495: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-014"
        ]
      },
      "including_optional_after": {
        "year": 1652,
        "currency_id": "FTM000031",
        "claim_ids": [
          "C1495"
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        "source_ids": [
          "S811"
        ],
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          "C1495: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-014"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
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          "C516"
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        "source_ids": [
          "S251"
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        "qualifications": [],
        "relationship_ids": [
          "R-V22-045"
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        "currency_id": "FTM000332",
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          "C516"
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        "source_ids": [
          "S251"
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        "relationship_ids": [
          "R-V22-045"
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      "including_optional_before": {
        "year": 1875,
        "currency_id": "FTM000332",
        "claim_ids": [
          "C516"
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        "source_ids": [
          "S251"
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        "relationship_ids": [
          "R-V22-045"
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      "including_optional_after": {
        "year": 1875,
        "currency_id": "FTM000332",
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          "C516"
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        "source_ids": [
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          "R-V22-045"
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          "C944"
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        "source_ids": [
          "S99"
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        "qualifications": [],
        "relationship_ids": [
          "R0058"
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        "year": 1840,
        "currency_id": "T-FTM000518",
        "claim_ids": [
          "C944"
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        "source_ids": [
          "S99"
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        "qualifications": [],
        "relationship_ids": [
          "R0058"
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      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
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        "source_ids": [
          "S942",
          "S943"
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          "R0365: qualified relationship",
          "C1829: qualified"
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        "relationship_ids": [
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          "R0058"
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        "year": 796,
        "currency_id": "T-FTM000497",
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          "C1880"
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          "S906",
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          "S558"
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          "R-V27-050",
          "R-V22-011"
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        "source_ids": [
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          "R-V27-050",
          "R-V22-011"
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          "S906",
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          "R-V22-011"
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        "source_ids": [
          "S06"
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        "qualifications": [],
        "relationship_ids": [
          "R0011"
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        "currency_id": "T-FTM000410",
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        "source_ids": [
          "S06"
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        "relationship_ids": [
          "R0011"
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        "currency_id": "T-FTM000410",
        "claim_ids": [
          "C1263"
        ],
        "source_ids": [
          "S06"
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          "C1263: supported_inference"
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        "relationship_ids": [
          "R0011"
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      "including_optional_after": {
        "year": 1599,
        "currency_id": "T-FTM000410",
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          "C1263"
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        "source_ids": [
          "S06"
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          "C1263: supported_inference"
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        "relationship_ids": [
          "R0011"
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      "strict_improved": false,
      "including_optional_improved": false
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      "code": "KES",
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        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
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        "source_ids": [
          "S910"
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        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
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          "R0152",
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          "R0149"
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
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        "source_ids": [
          "S910"
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        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0152",
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        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
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        "source_ids": [
          "S580"
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          "C1197: supported_inference"
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        "relationship_ids": [
          "R-V22-051",
          "R0152",
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      "including_optional_after": {
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          "C1197"
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          "S580"
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          "C1197: supported_inference"
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          "R-V22-051",
          "R0152",
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      "strict_improved": false,
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          "C1751"
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        "source_ids": [
          "S903",
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        "qualifications": [],
        "relationship_ids": [
          "R-V22-028"
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        "year": 1538,
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        "source_ids": [
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        "relationship_ids": [
          "R-V22-028"
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        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
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        "source_ids": [
          "S901"
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        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-028"
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      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
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        "source_ids": [
          "S901"
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          "C1750: supported_inference"
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        "relationship_ids": [
          "R-V22-028"
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    },
    {
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          "C1292"
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        "source_ids": [
          "S650"
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        "relationship_ids": []
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        "currency_id": "T-FTM000719",
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          "C1292"
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        "source_ids": [
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      "including_optional_before": {
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      "including_optional_after": {
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        "source_ids": [
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        "year": 1979,
        "currency_id": "FTM000272",
        "claim_ids": [
          "C582"
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        "source_ids": [
          "S315"
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      "strict_after": {
        "year": 1979,
        "currency_id": "FTM000272",
        "claim_ids": [
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        "source_ids": [
          "S315"
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        "qualifications": [],
        "relationship_ids": []
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      "including_optional_before": {
        "year": 675,
        "currency_id": "T-FTM000560",
        "claim_ids": [
          "C1031"
        ],
        "source_ids": [
          "S483"
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        "qualifications": [
          "C1582: indexed evidence",
          "C1032: supported_inference",
          "R-V19-REG-01: qualified relationship",
          "R-V19-REG-01: compressed local stages; dates are a research envelope",
          "C1031: supported_inference"
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        "relationship_ids": [
          "R-V19-REG-01",
          "R0072",
          "R0398",
          "R0229"
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      },
      "including_optional_after": {
        "year": 675,
        "currency_id": "T-FTM000560",
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          "C1031"
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        "source_ids": [
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          "C1582: indexed evidence",
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          "R-V19-REG-01: qualified relationship",
          "R-V19-REG-01: compressed local stages; dates are a research envelope",
          "C1031: supported_inference"
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        "relationship_ids": [
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      "strict_improved": false,
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      "including_optional_before": {
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        "currency_id": "T-FTM000410",
        "claim_ids": [
          "C1263"
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        "source_ids": [
          "S06"
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          "C1171: supported_inference",
          "C1263: supported_inference"
        ],
        "relationship_ids": [
          "R0011",
          "R-V27-027",
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      "including_optional_after": {
        "year": 1599,
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        "claim_ids": [
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        "source_ids": [
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          "C1171: supported_inference",
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        "relationship_ids": [
          "R0011",
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          "R-V23-011"
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      "strict_improved": false,
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    {
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        "currency_id": "FTM000121",
        "claim_ids": [
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        "source_ids": [
          "S259"
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        "relationship_ids": []
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      "strict_after": {
        "year": 1962,
        "currency_id": "FTM000121",
        "claim_ids": [
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        "source_ids": [
          "S259"
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        "qualifications": [],
        "relationship_ids": []
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      "including_optional_before": {
        "year": 1599,
        "currency_id": "T-FTM000410",
        "claim_ids": [
          "C1263"
        ],
        "source_ids": [
          "S06"
        ],
        "qualifications": [
          "C1619: indexed evidence",
          "C1171: supported_inference",
          "C1263: supported_inference"
        ],
        "relationship_ids": [
          "R0011",
          "R-V27-027",
          "R-V27-021",
          "R-V22-010"
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      },
      "including_optional_after": {
        "year": 1599,
        "currency_id": "T-FTM000410",
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    },
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      "code": "NZD",
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        "currency_id": "T-FTM000510",
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          "C937"
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          "S449"
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        "qualifications": [],
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          "R0051"
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        "currency_id": "T-FTM000510",
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          "C937"
        ],
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          "S449"
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        "qualifications": [],
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          "R0051"
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      },
      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
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          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1646: indexed evidence",
          "C1829: qualified"
        ],
        "relationship_ids": [
          "R0359",
          "R0051"
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      },
      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
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          "C1829"
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        "source_ids": [
          "S942",
          "S943"
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          "C1646: indexed evidence",
          "C1829: qualified"
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          "R0051"
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    },
    {
      "code": "OMR",
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0393"
        ]
      },
      "strict_after": {
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
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        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0393"
        ]
      },
      "including_optional_before": {
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        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0393"
        ]
      },
      "including_optional_after": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0393"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
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        "currency_id": "FTM000071",
        "claim_ids": [
          "C558"
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        "source_ids": [
          "S292"
        ],
        "qualifications": [],
        "relationship_ids": []
      },
      "strict_after": {
        "year": 1904,
        "currency_id": "FTM000071",
        "claim_ids": [
          "C558"
        ],
        "source_ids": [
          "S292"
        ],
        "qualifications": [],
        "relationship_ids": []
      },
      "including_optional_before": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1178: supported_inference",
          "R-V23-018: qualified relationship",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V23-018",
          "R-V23-019"
        ]
      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1178: supported_inference",
          "R-V23-018: qualified relationship",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V23-018",
          "R-V23-019"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "PEN",
      "strict_before": {
        "year": 1930,
        "currency_id": "FTM000085",
        "claim_ids": [
          "C1275"
        ],
        "source_ids": [
          "S628"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0437",
          "R0438"
        ]
      },
      "strict_after": {
        "year": 1930,
        "currency_id": "FTM000085",
        "claim_ids": [
          "C1275"
        ],
        "source_ids": [
          "S628"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0437",
          "R0438"
        ]
      },
      "including_optional_before": {
        "year": 1863,
        "currency_id": "CUR-V27-PERUVIAN-SOL-1863",
        "claim_ids": [
          "C1449"
        ],
        "source_ids": [
          "S853"
        ],
        "qualifications": [
          "C1695: indexed evidence",
          "C1453: indexed evidence",
          "C1449: indexed evidence"
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        "relationship_ids": [
          "R-V27-030",
          "R-V27-037",
          "R0437",
          "R0438"
        ]
      },
      "including_optional_after": {
        "year": 1863,
        "currency_id": "CUR-V27-PERUVIAN-SOL-1863",
        "claim_ids": [
          "C1449"
        ],
        "source_ids": [
          "S853"
        ],
        "qualifications": [
          "C1695: indexed evidence",
          "C1453: indexed evidence",
          "C1449: indexed evidence"
        ],
        "relationship_ids": [
          "R-V27-030",
          "R-V27-037",
          "R0437",
          "R0438"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
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        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
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        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0358",
          "R0050",
          "R0367"
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      },
      "strict_after": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
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        "source_ids": [
          "S632",
          "S944"
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        "qualifications": [],
        "relationship_ids": [
          "R0358",
          "R0050",
          "R0367"
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        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
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        "source_ids": [
          "S942",
          "S943"
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          "C1829: qualified"
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        "relationship_ids": [
          "R0358",
          "R0050",
          "R0367"
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      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
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        "source_ids": [
          "S942",
          "S943"
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          "C1829: qualified"
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          "R0050",
          "R0367"
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          "S67"
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          "R-V23-006"
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        "currency_id": "T-FTM000478",
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        "source_ids": [
          "S67"
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        "relationship_ids": [
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        "claim_ids": [
          "C1278"
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        "source_ids": [
          "S630"
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          "C1181: supported_inference",
          "R0033: qualified relationship",
          "C1278: supported_inference"
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        "relationship_ids": [
          "R0033",
          "R-V23-006"
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      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
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        "source_ids": [
          "S630"
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          "C1181: supported_inference",
          "R0033: qualified relationship",
          "C1278: supported_inference"
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        "relationship_ids": [
          "R0033",
          "R-V23-006"
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      "strict_improved": false,
      "including_optional_improved": false
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
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        "source_ids": [
          "S910"
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          "R-V28-001",
          "R-V22-051",
          "R0383"
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
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        "source_ids": [
          "S910"
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        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0383"
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        "claim_ids": [
          "C1197"
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        "source_ids": [
          "S580"
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          "C1197: supported_inference"
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        "relationship_ids": [
          "R-V22-051",
          "R0383"
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      },
      "including_optional_after": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
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        "source_ids": [
          "S580"
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          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0383"
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      "strict_improved": false,
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        "claim_ids": [
          "C1396"
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        "source_ids": [
          "S112"
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          "C1122: supported_inference"
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          "R-V26-005",
          "R-V27-047",
          "R-V22-020"
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      },
      "including_optional_after": {
        "year": 1619,
        "currency_id": "CUR-V26-HAMBURG",
        "claim_ids": [
          "C1396"
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        "source_ids": [
          "S112"
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          "C1122: supported_inference"
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          "R-V26-005",
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          "R-V22-020"
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          "S229"
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        "qualifications": [],
        "relationship_ids": []
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        "currency_id": "FTM000089",
        "claim_ids": [
          "C494"
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        "source_ids": [
          "S229"
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        "claim_ids": [
          "C1274"
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        "source_ids": [
          "S627"
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          "C1274: supported_inference"
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        "relationship_ids": [
          "R-V22-018"
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      "including_optional_after": {
        "year": 1820,
        "currency_id": "FTM000088",
        "claim_ids": [
          "C1274"
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        "source_ids": [
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          "C1274: supported_inference"
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          "R-V22-018"
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      "code": "QAR",
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
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        "source_ids": [
          "S910"
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          "R-V28-001",
          "R-V22-051",
          "R-V27-015",
          "R0390"
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      "strict_after": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
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        "source_ids": [
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        "year": 1400,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1878"
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        "source_ids": [
          "S984"
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          "C1878: supported_inference"
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          "R-V24-004",
          "R-V27-014",
          "R0390"
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      "including_optional_after": {
        "year": 1400,
        "currency_id": "FTM000374",
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        "source_ids": [
          "S984"
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          "C1878: supported_inference"
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        "relationship_ids": [
          "R-V24-004",
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          "C1206"
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        "source_ids": [
          "S601",
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          "S557"
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          "C1207: supported_inference",
          "R-V24-003: qualified relationship",
          "R-V24-003: compressed local stages; dates are a research envelope",
          "C1206: supported_inference"
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        "relationship_ids": [
          "R-V24-003"
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      "including_optional_after": {
        "year": 1690,
        "currency_id": "T-FTM000480",
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        "source_ids": [
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          "C1207: supported_inference",
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        "relationship_ids": [
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      "including_optional_before": {
        "year": 1400,
        "currency_id": "FTM000374",
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          "C1878"
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        "source_ids": [
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        "qualifications": [
          "C1636: indexed evidence",
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        "relationship_ids": [
          "R-V30-001",
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          "R0346",
          "R0347",
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      "including_optional_after": {
        "year": 1400,
        "currency_id": "FTM000374",
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        "source_ids": [
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        "qualifications": [
          "C1636: indexed evidence",
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        "relationship_ids": [
          "R-V30-001",
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      "strict_improved": false,
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      "code": "RUB",
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          "C1751"
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        "source_ids": [
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      "strict_after": {
        "year": 1538,
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      "including_optional_before": {
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        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
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        "source_ids": [
          "S901"
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          "C1750: supported_inference"
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        "relationship_ids": []
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      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
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        "source_ids": [
          "S901"
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          "C1750: supported_inference"
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      "strict_improved": false,
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    {
      "code": "RWF",
      "strict_before": {
        "year": 1887,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C792"
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        "source_ids": [
          "S389",
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        "qualifications": [],
        "relationship_ids": [
          "R0252",
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        "year": 1887,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C792"
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        "source_ids": [
          "S389",
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        "qualifications": [],
        "relationship_ids": [
          "R0252",
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      "including_optional_before": {
        "year": 1886,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C1771"
        ],
        "source_ids": [
          "S921"
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        "qualifications": [
          "C1771: supported_inference"
        ],
        "relationship_ids": [
          "R0252",
          "R0253"
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      },
      "including_optional_after": {
        "year": 1886,
        "currency_id": "FTM000248",
        "claim_ids": [
          "C1771"
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        "source_ids": [
          "S921"
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        "qualifications": [
          "C1771: supported_inference"
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        "relationship_ids": [
          "R0252",
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      },
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        "year": 1833,
        "currency_id": "FTM000374",
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          "C1882"
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        "source_ids": [
          "S983"
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      "strict_after": {
        "year": 1833,
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      "including_optional_before": {
        "year": 1400,
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        ],
        "relationship_ids": [
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      },
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        "currency_id": "FTM000374",
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          "C1878"
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        "source_ids": [
          "S984"
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          "C1878: supported_inference"
        ],
        "relationship_ids": [
          "R-V24-004"
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      "including_optional_improved": false
    },
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          "S632",
          "S944"
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          "R0050",
          "R0053"
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        "year": 807,
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          "C1828"
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          "S632",
          "S944"
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          "R0053"
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          "C1829"
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          "R0050",
          "R0053"
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        "year": 796,
        "currency_id": "T-FTM000497",
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          "R0050",
          "R0053"
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      "including_optional_improved": false
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          "C1742"
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        "source_ids": [
          "S910"
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          "R-V22-051",
          "R0408",
          "R-V22-035"
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      },
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        "currency_id": "CUR-V28-PATNA-SANWAT",
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          "C1742"
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        "source_ids": [
          "S910"
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          "R-V22-051",
          "R0408",
          "R-V22-035"
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        "claim_ids": [
          "C1278"
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        "source_ids": [
          "S630"
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          "C1686: supported_inference",
          "R-V27-028: qualified relationship",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-028",
          "R-V27-029",
          "R-V22-035"
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        "claim_ids": [
          "C1278"
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        "source_ids": [
          "S630"
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          "C1686: supported_inference",
          "R-V27-028: qualified relationship",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-028",
          "R-V27-029",
          "R-V22-035"
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      },
      "strict_improved": false,
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          "S664"
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          "S664"
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          "R-V22-033"
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          "C1880"
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          "S906",
          "S978",
          "S558"
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          "C1258: supported_inference",
          "C1627: indexed evidence"
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        "relationship_ids": [
          "R-V25-014",
          "R-V25-013",
          "R-V22-033"
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      },
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        "year": 1524,
        "currency_id": "FTM000375",
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          "C1880"
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        "source_ids": [
          "S906",
          "S978",
          "S558"
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          "C1258: supported_inference",
          "C1627: indexed evidence"
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        "relationship_ids": [
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          "R-V25-013",
          "R-V22-033"
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          "S264"
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        "year": 1873,
        "currency_id": "FTM000330",
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          "C529"
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          "S264"
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        "relationship_ids": []
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        "claim_ids": [
          "C1155"
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        "source_ids": [
          "S550"
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          "C1155: supported_inference"
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        "relationship_ids": []
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      "including_optional_after": {
        "year": 1789,
        "currency_id": "FTM000330",
        "claim_ids": [
          "C1155"
        ],
        "source_ids": [
          "S550"
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          "C1155: supported_inference"
        ],
        "relationship_ids": []
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      "strict_improved": false,
      "including_optional_improved": false
    },
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      "code": "SGD",
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          "S67"
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          "R0046"
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        "currency_id": "T-FTM000478",
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          "C1202"
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          "S67"
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          "R0046"
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        "currency_id": "T-FTM000476",
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          "C1278"
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        "source_ids": [
          "S630"
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          "C1181: supported_inference",
          "R0033: qualified relationship",
          "C1278: supported_inference"
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        "relationship_ids": [
          "R0033",
          "R0377",
          "R0046"
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        "year": 1473,
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          "C1278"
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        "source_ids": [
          "S630"
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          "C1181: supported_inference",
          "R0033: qualified relationship",
          "C1278: supported_inference"
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        "relationship_ids": [
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          "R0046"
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        "year": 796,
        "currency_id": "T-FTM000497",
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      "including_optional_improved": false
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          "S910"
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          "R-V22-041"
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        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
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        "source_ids": [
          "S580"
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          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
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          "R-V22-041"
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      "including_optional_after": {
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          "C1197"
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        "source_ids": [
          "S580"
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          "C1197: supported_inference"
        ],
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          "R-V22-051",
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          "S620",
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          "C1270: supported_inference"
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        "relationship_ids": [
          "R-V25-001",
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      "including_optional_after": {
        "year": 1526,
        "currency_id": "FTM000337",
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          "C1829: qualified"
        ],
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          "R0368",
          "R0369",
          "R0371"
        ]
      },
      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1829: qualified"
        ],
        "relationship_ids": [
          "R0368",
          "R0369",
          "R0371"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "THB",
      "strict_before": {
        "year": 1805,
        "currency_id": "FTM000383",
        "claim_ids": [
          "C1748"
        ],
        "source_ids": [
          "S897"
        ],
        "qualifications": [],
        "relationship_ids": []
      },
      "strict_after": {
        "year": 1805,
        "currency_id": "FTM000383",
        "claim_ids": [
          "C1748"
        ],
        "source_ids": [
          "S897"
        ],
        "qualifications": [],
        "relationship_ids": []
      },
      "including_optional_before": {
        "year": 1536,
        "currency_id": "FTM000383",
        "claim_ids": [
          "C1261"
        ],
        "source_ids": [
          "S614"
        ],
        "qualifications": [
          "C1261: supported_inference"
        ],
        "relationship_ids": []
      },
      "including_optional_after": {
        "year": 1536,
        "currency_id": "FTM000383",
        "claim_ids": [
          "C1261"
        ],
        "source_ids": [
          "S614"
        ],
        "qualifications": [
          "C1261: supported_inference"
        ],
        "relationship_ids": []
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "TJS",
      "strict_before": {
        "year": 1538,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1751"
        ],
        "source_ids": [
          "S903",
          "S902"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V27-011",
          "R-V22-031"
        ]
      },
      "strict_after": {
        "year": 1538,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1751"
        ],
        "source_ids": [
          "S903",
          "S902"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V27-011",
          "R-V22-031"
        ]
      },
      "including_optional_before": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-011",
          "R-V22-031"
        ]
      },
      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-011",
          "R-V22-031"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "TMT",
      "strict_before": {
        "year": 1538,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1751"
        ],
        "source_ids": [
          "S903",
          "S902"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-030"
        ]
      },
      "strict_after": {
        "year": 1538,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1751"
        ],
        "source_ids": [
          "S903",
          "S902"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V22-030"
        ]
      },
      "including_optional_before": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-030"
        ]
      },
      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-030"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "TND",
      "strict_before": {
        "year": 1891,
        "currency_id": "FTM000278",
        "claim_ids": [
          "C981"
        ],
        "source_ids": [
          "S465"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0258"
        ]
      },
      "strict_after": {
        "year": 1891,
        "currency_id": "FTM000278",
        "claim_ids": [
          "C981"
        ],
        "source_ids": [
          "S465"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0258"
        ]
      },
      "including_optional_before": {
        "year": 1856,
        "currency_id": "CUR-V27-TUNISIAN-PIASTRE",
        "claim_ids": [
          "C1446"
        ],
        "source_ids": [
          "S794"
        ],
        "qualifications": [
          "C1677: indexed evidence",
          "C1445: indexed evidence"
        ],
        "relationship_ids": [
          "R-V27-019",
          "R0258"
        ]
      },
      "including_optional_after": {
        "year": 1856,
        "currency_id": "CUR-V27-TUNISIAN-PIASTRE",
        "claim_ids": [
          "C1446"
        ],
        "source_ids": [
          "S794"
        ],
        "qualifications": [
          "C1677: indexed evidence",
          "C1445: indexed evidence"
        ],
        "relationship_ids": [
          "R-V27-019",
          "R0258"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "TOP",
      "strict_before": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0361",
          "R0362"
        ]
      },
      "strict_after": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0361",
          "R0362"
        ]
      },
      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1829: qualified"
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        "relationship_ids": [
          "R0361",
          "R0362"
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      },
      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
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        "qualifications": [
          "C1829: qualified"
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        "relationship_ids": [
          "R0361",
          "R0362"
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      },
      "strict_improved": false,
      "including_optional_improved": false
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    {
      "code": "TRY",
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        "year": 1833,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1882"
        ],
        "source_ids": [
          "S983"
        ],
        "qualifications": [],
        "relationship_ids": []
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      "strict_after": {
        "year": 1833,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1882"
        ],
        "source_ids": [
          "S983"
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        "qualifications": [],
        "relationship_ids": []
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      "including_optional_before": {
        "year": 1400,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1878"
        ],
        "source_ids": [
          "S984"
        ],
        "qualifications": [
          "C1878: supported_inference"
        ],
        "relationship_ids": []
      },
      "including_optional_after": {
        "year": 1400,
        "currency_id": "FTM000374",
        "claim_ids": [
          "C1878"
        ],
        "source_ids": [
          "S984"
        ],
        "qualifications": [
          "C1878: supported_inference"
        ],
        "relationship_ids": []
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "TTD",
      "strict_before": {
        "year": 1946,
        "currency_id": "T-FTM000515",
        "claim_ids": [
          "C1516"
        ],
        "source_ids": [
          "S848"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0055"
        ]
      },
      "strict_after": {
        "year": 1946,
        "currency_id": "T-FTM000515",
        "claim_ids": [
          "C1516"
        ],
        "source_ids": [
          "S848"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0055"
        ]
      },
      "including_optional_before": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1682: indexed evidence",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-024",
          "R0055"
        ]
      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
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        "qualifications": [
          "C1682: indexed evidence",
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-024",
          "R0055"
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      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "TWD",
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        "year": 1699,
        "currency_id": "T-FTM000410",
        "claim_ids": [
          "C1262"
        ],
        "source_ids": [
          "S06"
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        "qualifications": [],
        "relationship_ids": [
          "R0011",
          "R-V22-039"
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      },
      "strict_after": {
        "year": 1699,
        "currency_id": "T-FTM000410",
        "claim_ids": [
          "C1262"
        ],
        "source_ids": [
          "S06"
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        "qualifications": [],
        "relationship_ids": [
          "R0011",
          "R-V22-039"
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      },
      "including_optional_before": {
        "year": 1599,
        "currency_id": "T-FTM000410",
        "claim_ids": [
          "C1263"
        ],
        "source_ids": [
          "S06"
        ],
        "qualifications": [
          "C1263: supported_inference"
        ],
        "relationship_ids": [
          "R0011",
          "R-V22-039"
        ]
      },
      "including_optional_after": {
        "year": 1599,
        "currency_id": "T-FTM000410",
        "claim_ids": [
          "C1263"
        ],
        "source_ids": [
          "S06"
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        "qualifications": [
          "C1263: supported_inference"
        ],
        "relationship_ids": [
          "R0011",
          "R-V22-039"
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      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "TZS",
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        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0152",
          "R0153",
          "R0150"
        ]
      },
      "strict_after": {
        "year": 1775,
        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
          "C1742"
        ],
        "source_ids": [
          "S910"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0152",
          "R0153",
          "R0150"
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      },
      "including_optional_before": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0152",
          "R0153",
          "R0150"
        ]
      },
      "including_optional_after": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
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        "qualifications": [
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0152",
          "R0153",
          "R0150"
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      },
      "strict_improved": false,
      "including_optional_improved": false
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      "code": "UAH",
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      "strict_after": null,
      "including_optional_before": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
        ],
        "source_ids": [
          "S901"
        ],
        "qualifications": [
          "C1109: indexed evidence",
          "C1750: supported_inference"
        ],
        "relationship_ids": [
          "R-V27-008",
          "R-V22-007"
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      },
      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
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        "source_ids": [
          "S901"
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        "qualifications": [
          "C1109: indexed evidence",
          "C1750: supported_inference"
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        "relationship_ids": [
          "R-V27-008",
          "R-V22-007"
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      },
      "strict_improved": false,
      "including_optional_improved": false
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    {
      "code": "UGX",
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        "year": 1966,
        "currency_id": "FTM000235",
        "claim_ids": [
          "C477"
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        "source_ids": [
          "S215"
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        "qualifications": [],
        "relationship_ids": []
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      "strict_after": {
        "year": 1966,
        "currency_id": "FTM000235",
        "claim_ids": [
          "C477"
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        "source_ids": [
          "S215"
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        "qualifications": [],
        "relationship_ids": []
      },
      "including_optional_before": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
        ],
        "qualifications": [
          "C991: indexed evidence",
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0152",
          "R0153",
          "R0409"
        ]
      },
      "including_optional_after": {
        "year": 1765,
        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
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        "qualifications": [
          "C991: indexed evidence",
          "C1197: supported_inference"
        ],
        "relationship_ids": [
          "R-V22-051",
          "R0152",
          "R0153",
          "R0409"
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      },
      "strict_improved": false,
      "including_optional_improved": false
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    {
      "code": "USD",
      "strict_before": {
        "year": 1497,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C336"
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        "source_ids": [
          "S171"
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        "qualifications": [],
        "relationship_ids": [
          "R0035"
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      "strict_after": {
        "year": 1497,
        "currency_id": "T-FTM000476",
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          "C336"
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        "source_ids": [
          "S171"
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        "qualifications": [],
        "relationship_ids": [
          "R0035"
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        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
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        "source_ids": [
          "S630"
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          "C1278: supported_inference"
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        "relationship_ids": [
          "R0035"
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      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
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          "C1278"
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        "source_ids": [
          "S630"
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          "C1278: supported_inference"
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        "relationship_ids": [
          "R0035"
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      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "UYU",
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        "year": 1863,
        "currency_id": "FTM000092",
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          "C1204"
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        "source_ids": [
          "S588"
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        "qualifications": [],
        "relationship_ids": []
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      "strict_after": {
        "year": 1863,
        "currency_id": "FTM000092",
        "claim_ids": [
          "C1204"
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        "source_ids": [
          "S588"
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        "qualifications": [],
        "relationship_ids": []
      },
      "including_optional_before": {
        "year": 1401,
        "currency_id": "CUR-V28-PORTUGUESE-LIBRA",
        "claim_ids": [
          "C1743"
        ],
        "source_ids": [
          "S930"
        ],
        "qualifications": [
          "C1211: supported_inference",
          "R-V24-007: qualified relationship",
          "R0419: compressed local stages; dates are a research envelope"
        ],
        "relationship_ids": [
          "R-V28-003",
          "R0419",
          "R-V24-007"
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      },
      "including_optional_after": {
        "year": 1091,
        "currency_id": "CUR-V28-PORTUGUESE-LIBRA",
        "claim_ids": [
          "C1931"
        ],
        "source_ids": [
          "S988"
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        "qualifications": [
          "C1211: supported_inference",
          "R-V24-007: qualified relationship",
          "R0419: compressed local stages; dates are a research envelope",
          "C1931: qualified"
        ],
        "relationship_ids": [
          "R-V28-003",
          "R0419",
          "R-V24-007"
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      "strict_improved": false,
      "including_optional_improved": true
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    {
      "code": "UZS",
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        "year": 1538,
        "currency_id": "FTM000349",
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          "C1751"
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        "source_ids": [
          "S903",
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        "relationship_ids": [
          "R-V27-010",
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      "strict_after": {
        "year": 1538,
        "currency_id": "FTM000349",
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          "C1751"
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        "source_ids": [
          "S903",
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        "qualifications": [],
        "relationship_ids": [
          "R-V27-010",
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        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
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        "source_ids": [
          "S901"
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        "qualifications": [
          "C1750: supported_inference"
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        "relationship_ids": [
          "R-V27-010",
          "R-V22-006"
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      },
      "including_optional_after": {
        "year": 1497,
        "currency_id": "FTM000349",
        "claim_ids": [
          "C1750"
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        "source_ids": [
          "S901"
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          "C1750: supported_inference"
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        "relationship_ids": [
          "R-V27-010",
          "R-V22-006"
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      },
      "strict_improved": false,
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      "code": "VES",
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        "year": 1871,
        "currency_id": "FTM000094",
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          "C1277"
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        "source_ids": [
          "S544"
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        "qualifications": [],
        "relationship_ids": [
          "R-V22-040"
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      "strict_after": {
        "year": 1871,
        "currency_id": "FTM000094",
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          "C1277"
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        "source_ids": [
          "S544"
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        "qualifications": [],
        "relationship_ids": [
          "R-V22-040"
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      "including_optional_before": {
        "year": 1871,
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          "C1277"
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        "source_ids": [
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        "qualifications": [],
        "relationship_ids": [
          "R-V22-040"
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      "including_optional_after": {
        "year": 1871,
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          "R0364"
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        "currency_id": "T-FTM000497",
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      "including_optional_improved": false
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          "C1744"
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        "source_ids": [
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        "relationship_ids": [
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          "R-V27-053",
          "R0225"
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        "source_ids": [
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        "qualifications": [],
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          "R-V27-053",
          "R0225"
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        "currency_id": "T-FTM000560",
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        "source_ids": [
          "S483"
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          "C1032: supported_inference",
          "R-V19-REG-01: qualified relationship",
          "R-V19-REG-01: compressed local stages; dates are a research envelope",
          "C1031: supported_inference"
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        "relationship_ids": [
          "R-V19-REG-01",
          "R0072",
          "R-V25-010"
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      "including_optional_after": {
        "year": 675,
        "currency_id": "T-FTM000560",
        "claim_ids": [
          "C1031"
        ],
        "source_ids": [
          "S483"
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          "C1032: supported_inference",
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          "C1031: supported_inference"
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        "relationship_ids": [
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      "including_optional_improved": false
    },
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        "relationship_ids": []
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        "qualifications": [],
        "relationship_ids": []
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        "currency_id": "T-FTM000476",
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        "source_ids": [
          "S630"
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          "C1278: supported_inference"
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        "relationship_ids": [
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      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
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        ],
        "source_ids": [
          "S630"
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          "C1278: supported_inference"
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        "relationship_ids": [
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      "including_optional_improved": false
    },
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        "relationship_ids": [
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        "currency_id": "FTM000337",
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        "qualifications": [],
        "relationship_ids": [
          "R-V23-007"
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        "currency_id": "FTM000337",
        "claim_ids": [
          "C1270"
        ],
        "source_ids": [
          "S620",
          "S621",
          "S619"
        ],
        "qualifications": [
          "C1270: supported_inference"
        ],
        "relationship_ids": [
          "R-V23-007"
        ]
      },
      "including_optional_after": {
        "year": 1526,
        "currency_id": "FTM000337",
        "claim_ids": [
          "C1270"
        ],
        "source_ids": [
          "S620",
          "S621",
          "S619"
        ],
        "qualifications": [
          "C1270: supported_inference"
        ],
        "relationship_ids": [
          "R-V23-007"
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      "strict_improved": false,
      "including_optional_improved": false
    },
    {
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        "source_ids": [
          "S267"
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        "qualifications": [],
        "relationship_ids": []
      },
      "strict_after": {
        "year": 1945,
        "currency_id": "FTM000263",
        "claim_ids": [
          "C532"
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        "source_ids": [
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        "qualifications": [],
        "relationship_ids": []
      },
      "including_optional_before": {
        "year": 675,
        "currency_id": "T-FTM000560",
        "claim_ids": [
          "C1031"
        ],
        "source_ids": [
          "S483"
        ],
        "qualifications": [
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          "C1032: supported_inference",
          "R-V19-REG-01: qualified relationship",
          "R-V19-REG-01: compressed local stages; dates are a research envelope",
          "C1031: supported_inference"
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        "relationship_ids": [
          "R-V19-REG-01",
          "R0072",
          "R-V25-009"
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      },
      "including_optional_after": {
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        "currency_id": "T-FTM000560",
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        "source_ids": [
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        "qualifications": [
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          "C1032: supported_inference",
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          "C1031: supported_inference"
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        "relationship_ids": [
          "R-V19-REG-01",
          "R0072",
          "R-V25-009"
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      "strict_improved": false,
      "including_optional_improved": false
    },
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        "currency_id": "T-FTM000535",
        "claim_ids": [
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        "source_ids": [
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        "relationship_ids": [
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        "currency_id": "T-FTM000535",
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        ],
        "source_ids": [
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        "qualifications": [],
        "relationship_ids": [
          "R0072",
          "R0396"
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      },
      "including_optional_before": {
        "year": 675,
        "currency_id": "T-FTM000560",
        "claim_ids": [
          "C1031"
        ],
        "source_ids": [
          "S483"
        ],
        "qualifications": [
          "C1032: supported_inference",
          "R-V19-REG-01: qualified relationship",
          "R-V19-REG-01: compressed local stages; dates are a research envelope",
          "C1031: supported_inference"
        ],
        "relationship_ids": [
          "R-V19-REG-01",
          "R0072",
          "R0396"
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      },
      "including_optional_after": {
        "year": 675,
        "currency_id": "T-FTM000560",
        "claim_ids": [
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        "source_ids": [
          "S483"
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        "qualifications": [
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          "R-V19-REG-01: qualified relationship",
          "R-V19-REG-01: compressed local stages; dates are a research envelope",
          "C1031: supported_inference"
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        "relationship_ids": [
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          "R0072",
          "R0396"
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      "strict_improved": false,
      "including_optional_improved": false
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        "claim_ids": [
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        "source_ids": [
          "S910"
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        "qualifications": [],
        "relationship_ids": [
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          "R-V22-051",
          "R0152",
          "R0153",
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      "strict_after": {
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        "currency_id": "CUR-V28-PATNA-SANWAT",
        "claim_ids": [
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        ],
        "source_ids": [
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        "qualifications": [],
        "relationship_ids": [
          "R-V28-001",
          "R-V22-051",
          "R0152",
          "R0153",
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        "claim_ids": [
          "C1197"
        ],
        "source_ids": [
          "S580"
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        ],
        "relationship_ids": [
          "R-V22-051",
          "R0152",
          "R0153",
          "R-V27-016",
          "R-V22-049"
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        "currency_id": "CUR-V22-CALCUTTA-SICCA",
        "claim_ids": [
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        "source_ids": [
          "S580"
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        "qualifications": [
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        "relationship_ids": [
          "R-V22-051",
          "R0152",
          "R0153",
          "R-V27-016",
          "R-V22-049"
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    },
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        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
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        "source_ids": [
          "S632",
          "S944"
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        "qualifications": [],
        "relationship_ids": [
          "R0368",
          "R0369"
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      },
      "strict_after": {
        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0368",
          "R0369"
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        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
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        "source_ids": [
          "S942",
          "S943"
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        "relationship_ids": [
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          "R0369"
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      },
      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
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        "qualifications": [
          "C1829: qualified"
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        "relationship_ids": [
          "R0368",
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      "including_optional_improved": false
    },
    {
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      "strict_before": {
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        "currency_id": "T-FTM000497",
        "claim_ids": [
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        "source_ids": [
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          "S944"
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        "qualifications": [],
        "relationship_ids": [
          "R-V27-052",
          "R-V25-008",
          "R0156"
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      },
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        "year": 807,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1828"
        ],
        "source_ids": [
          "S632",
          "S944"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R-V27-052",
          "R-V25-008",
          "R0156"
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      },
      "including_optional_before": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1829: qualified"
        ],
        "relationship_ids": [
          "R-V27-052",
          "R-V25-008",
          "R0156"
        ]
      },
      "including_optional_after": {
        "year": 796,
        "currency_id": "T-FTM000497",
        "claim_ids": [
          "C1829"
        ],
        "source_ids": [
          "S942",
          "S943"
        ],
        "qualifications": [
          "C1829: qualified"
        ],
        "relationship_ids": [
          "R-V27-052",
          "R-V25-008",
          "R0156"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    },
    {
      "code": "ZWG",
      "strict_before": {
        "year": 1497,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C336"
        ],
        "source_ids": [
          "S171"
        ],
        "qualifications": [],
        "relationship_ids": [
          "R0035",
          "R-V25-011",
          "R-V22-016"
        ]
      },
      "strict_after": {
        "year": 1497,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C336"
        ],
        "source_ids": [
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        ],
        "qualifications": [],
        "relationship_ids": [
          "R0035",
          "R-V25-011",
          "R-V22-016"
        ]
      },
      "including_optional_before": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R0035",
          "R-V25-011",
          "R-V22-016"
        ]
      },
      "including_optional_after": {
        "year": 1473,
        "currency_id": "T-FTM000476",
        "claim_ids": [
          "C1278"
        ],
        "source_ids": [
          "S630"
        ],
        "qualifications": [
          "C1278: supported_inference"
        ],
        "relationship_ids": [
          "R0035",
          "R-V25-011",
          "R-V22-016"
        ]
      },
      "strict_improved": false,
      "including_optional_improved": false
    }
  ],
  "relationship_reviews": [
    {
      "edge_id": "R-V28-003",
      "decision": "retain",
      "status": "supported",
      "years": [
        1435,
        1436
      ],
      "assertion": "Retain Portuguese libra-system→real account succession; dinheiro belongs within the former profile and need not become an intervening node.",
      "sources": [
        "S930"
      ],
      "locator": "A criação do real, notes49–51",
      "reason": "Earlier real coin issues were denominated in existing account scales; account succession and coin debut must remain distinct.",
      "new_claim_id": "C1942",
      "source_ids": [
        "S930"
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      "application": "updated_relationship"
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  ],
  "root_frontier": [
    {
      "currency_id": "FTM000063",
      "label": "Boliviano",
      "earliest_observation": 1863,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000066",
      "label": "Chilean peso",
      "earliest_observation": 1851,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000246",
      "label": "Belgian franc",
      "earliest_observation": 1832,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000248",
      "label": "Congolese franc, pre-1967",
      "earliest_observation": 1886,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000276",
      "label": "Algerian franc",
      "earliest_observation": 1851,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000307",
      "label": "Prussian thaler — nineteenth-century unit",
      "earliest_observation": 1873,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000321",
      "label": "Austrian gulden — pre-1892 unit",
      "earliest_observation": 1816,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000337",
      "label": "Dutch guilder (euro predecessor)",
      "earliest_observation": 1526,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000375",
      "label": "Egyptian pound",
      "earliest_observation": 1524,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000383",
      "label": "Thai baht",
      "earliest_observation": 1536,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000476",
      "label": "Spanish real / peso de a ocho",
      "earliest_observation": 1473,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000491",
      "label": "Halifax pound of account",
      "earliest_observation": null,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000493",
      "label": "Nova Scotia decimal dollar",
      "earliest_observation": null,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000494",
      "label": "Newfoundland dollar",
      "earliest_observation": 1865,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000560",
      "label": "Frankish denier–livre reckoning",
      "earliest_observation": 675,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000590",
      "label": "Pound Scots",
      "earliest_observation": null,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000604",
      "label": "Irish pound — pre-1826 account unit",
      "earliest_observation": null,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000606",
      "label": "New Brunswick decimal dollar",
      "earliest_observation": 1852,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000607",
      "label": "Prince Edward Island pound of account",
      "earliest_observation": null,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000621",
      "label": "Castilian maravedí / real de vellón accounting",
      "earliest_observation": 1182,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000639",
      "label": "New Brunswick pound of account",
      "earliest_observation": null,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000719",
      "label": "Cambodian riel",
      "earliest_observation": 1980,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000808",
      "label": "European unit of account (EUA)",
      "earliest_observation": 1975,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000839",
      "label": "Helvetic franc, 1799",
      "earliest_observation": 1799,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000905",
      "label": "Greek phoenix",
      "earliest_observation": 1828,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000915",
      "label": "South German florin — nineteenth-century unit",
      "earliest_observation": 1873,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V19-DARIC",
      "label": "Achaemenid daric payment unit",
      "earliest_observation": -401,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V22-ALBANIAN-FRANG",
      "label": "Albanian gold franc / frang",
      "earliest_observation": 1920,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000331",
      "label": "Danish rigsdaler",
      "earliest_observation": 1875,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000335",
      "label": "Norwegian speciedaler",
      "earliest_observation": 1875,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000031",
      "label": "Persian toman / dinar accounting — including qeran",
      "earliest_observation": 1652,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000072",
      "label": "Costa Rican peso",
      "earliest_observation": 1839,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000088",
      "label": "Paraguayan peso fuerte",
      "earliest_observation": 1820,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000296",
      "label": "Afghan rupee — Kabuli account unit",
      "earliest_observation": 1926,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "FTM000094",
      "label": "Venezolano",
      "earliest_observation": 1871,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V22-SWEDISH-SPECIE",
      "label": "Swedish riksdaler specie",
      "earliest_observation": 1789,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V23-ZURICH-GULDEN",
      "label": "Zurich gulden account unit",
      "earliest_observation": 1803,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V23-EAST-SWISS-REICHSGULDEN",
      "label": "Eastern Swiss Reichswährung gulden (contract unit)",
      "earliest_observation": 1852,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V24-NPL-PAISA16",
      "label": "Nepalese 16-ganda paisa rupee",
      "earliest_observation": 1855,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "T-FTM000480",
      "label": "Dutch lion-dollar trade account unit",
      "earliest_observation": 1690,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V25-EPHESOS-GOLD",
      "label": "Ephesian Artemision gold account unit",
      "earliest_observation": -550,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V25-EGYPT-DRACHMA",
      "label": "Roman-Egyptian drachma and talent reckoning",
      "earliest_observation": -20,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-GAMBIA-BAR",
      "label": "Gambia River trade bar",
      "earliest_observation": 1732,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-ETHIOPIA-AMOLE",
      "label": "Northern Ethiopian amole reckoning",
      "earliest_observation": 1527,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-KONGO-NZIMBU",
      "label": "Kongo nzimbu reckoning",
      "earliest_observation": 1575,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-CONGO-MITAKO",
      "label": "Congo state-regulated mitako reckoning",
      "earliest_observation": 1901,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-ASANTE-PEREDWAN",
      "label": "Asante gold-account reckoning",
      "earliest_observation": 1929,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-TOLAI-TAMBU",
      "label": "Tolai tambu reckoning",
      "earliest_observation": 1899,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-KOVE-TAMBU",
      "label": "Kove tambu obligation reckoning",
      "earliest_observation": 1972,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-TLAXCALA-CACAO",
      "label": "Tlaxcala cacao account unit",
      "earliest_observation": 1545,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-CENTRAL-MEXICO-QUACHTLI",
      "label": "Central Mexican quachtli reckoning",
      "earliest_observation": 1549,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-NEWENGLAND-WAMPUM",
      "label": "Southern New England wampum reckoning",
      "earliest_observation": 1643,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-PENNSYLVANIA-POUND",
      "label": "Pennsylvania pound of account",
      "earliest_observation": 1720,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-VIRGINIA-POUND",
      "label": "Virginia pound of account",
      "earliest_observation": 1734,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-NEWJERSEY-POUND",
      "label": "New Jersey provincial pound of account",
      "earliest_observation": 1709,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-OLD-ASSYRIAN-SILVER",
      "label": "Old Assyrian silver reckoning at Kanesh",
      "earliest_observation": -1850,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-OLD-BABYLONIAN-SILVER",
      "label": "Old Babylonian silver shekel reckoning",
      "earliest_observation": -1750,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-ATHENIAN-DRACHMA",
      "label": "Classical Athenian drachma reckoning",
      "earliest_observation": -425,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-RAMESSIDE-COPPER-DEBEN",
      "label": "Ramesside copper-deben value reckoning",
      "earliest_observation": null,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-EGYPT-SOLIDUS-NOMISMA",
      "label": "East Roman solidus–nomisma accounting — Egyptian and Palestinian evidence",
      "earliest_observation": 400,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-JPN-GINME",
      "label": "Japanese silver monme / ginme accounting",
      "earliest_observation": 1699,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-SHANGHAI-TAEL",
      "label": "Shanghai tael",
      "earliest_observation": 1933,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-HAIKWAN-TAEL",
      "label": "Haikwan customs tael",
      "earliest_observation": 1930,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-HYDERABAD-RUPEE",
      "label": "Hyderabad Osmania / Hali sicca rupee",
      "earliest_observation": 1890,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-TRAVANCORE-SIRKAR",
      "label": "Travancore Sirkar rupee",
      "earliest_observation": 1861,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-TIBET-TANGKA",
      "label": "Tibetan tangka accounting",
      "earliest_observation": 1933,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-HAMBURG",
      "label": "Hamburg mark banco",
      "earliest_observation": 1619,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-VENICE",
      "label": "Venetian banco ducat — Banco del Giro accounts",
      "earliest_observation": 1630,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-GENOA-BANCO",
      "label": "Genoese lira di banco",
      "earliest_observation": 1741,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-GENOA-CURRENT",
      "label": "Genoese commercial lira — lira fuori banco",
      "earliest_observation": 1741,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V26-GENOA-PERMESSO",
      "label": "Genoese lira di permesso",
      "earliest_observation": 1751,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V27-MOROCCO-HASSANI",
      "label": "Moroccan Hassani reckoning",
      "earliest_observation": 1920,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V27-TUNISIAN-PIASTRE",
      "label": "Tunisian piastre / riyal reckoning",
      "earliest_observation": 1856,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V27-PERUVIAN-SOL-1863",
      "label": "Peruvian sol — nineteenth-century account unit",
      "earliest_observation": 1863,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V28-PATNA-SANWAT",
      "label": "Patna Sanwat / Azeemabadee rupee account",
      "earliest_observation": 1775,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V28-PORTUGUESE-LIBRA",
      "label": "Portuguese dinheiro–soldo–libra accounting",
      "earliest_observation": 1091,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V28-OLD-PIEDMONT-LIRA",
      "label": "Old Piedmont lira —20-soldi account unit",
      "earliest_observation": 1802,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V29-TANG-CASH",
      "label": "Tang cash / guan accounting",
      "earliest_observation": 780,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V29-QOM-DRAHM-STER",
      "label": "Qom drahm–stēr fiscal reckoning",
      "earliest_observation": 668,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V29-EGYPT-BRONZE-DRACHMA",
      "label": "Late Ptolemaic and Augustan Egyptian bronze-drachma reckoning",
      "earliest_observation": -35,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V29-SARDIS-CHRYSOUS",
      "label": "Hellenistic Sardian chrysous account",
      "earliest_observation": -200,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V29-GOVARDHANA-KAHAPANA",
      "label": "Govardhana / Nasik kahapana account",
      "earliest_observation": 120,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V29-UMMA-SILVER-SHEKEL",
      "label": "Ur III Umma silver-shekel reckoning",
      "earliest_observation": -2000,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V29-GIRSU-BARLEY-GUR",
      "label": "Ur III Girsu barley-gur reckoning",
      "earliest_observation": -2000,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V30-LEVANT-SULTANI",
      "label": "Ottoman Levantine sultani gold account",
      "earliest_observation": 1583,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V31-LEONESE-SILVER-SOLIDUS",
      "label": "Astur-Leonese silver-solidus accounting",
      "earliest_observation": 894,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V31-GALICIAN-SOLIDUS",
      "label": "Galician solidus accounting",
      "earliest_observation": 905,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V31-ARAGONESE-JACA-ACCOUNT",
      "label": "Aragonese Jaca account money",
      "earliest_observation": 1263,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V31-VALENCIAN-ACCOUNT",
      "label": "Valencian account money",
      "earliest_observation": 1247,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V31-MALLORCAN-ACCOUNT",
      "label": "Mallorcan account money",
      "earliest_observation": 1318,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V31-CORDOBAN-DINAR-DIRHAM",
      "label": "Cordoban dinar-dirham accounting",
      "earliest_observation": 916,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V31-GRANADA-DIRHAM-ACCOUNT",
      "label": "Granadan dirham–dinar / pesante reckoning",
      "earliest_observation": 1326,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    },
    {
      "currency_id": "CUR-V31-NAVARRE-ACCOUNT",
      "label": "Navarrese denier–libra and real accounting",
      "earliest_observation": 1198,
      "scope": "No main parent currently recorded. An observation date is neither a founding date nor proof of de novo creation."
    }
  ],
  "held": [
    {
      "target": "León→Portuguese account branch",
      "decision": "held",
      "assertion": "Pre-independence contracts and later coin imitation suggest a shared regional background, but do not date or define the territorial account-unit separation.",
      "sources": [
        "PERES"
      ],
      "locator": "pp.24–25",
      "next_research": "Inspect PMH Diplomata et Chartae doc744(1090) and adjacent1091contract; then compare independently dated Portuguese royal accounts after independence.",
      "subject": "León→Portuguese account branch"
    },
    {
      "target": "Roman denarius→Portuguese dinheiro",
      "decision": "no_direct_ancestry_edge",
      "assertion": "Latin denomination vocabulary and broad Roman-French system labels do not establish an unbroken local account-unit succession.",
      "sources": [
        "S930"
      ],
      "locator": "Opening account-system paragraph",
      "subject": "Roman denarius→Portuguese dinheiro"
    },
    {
      "target": "Morabitino→libra substitution",
      "decision": "held",
      "assertion": "Gold-standard importance and coexistence with soldo/dinheiro accounts require separate liability-unit analysis; gold coins alone do not prove another required ancestor.",
      "sources": [
        "S930",
        "PERES"
      ],
      "locator": "Puntoniopening framework; Perespp.25–26",
      "subject": "Morabitino→libra substitution"
    },
    {
      "target": "Valério1991 periodization",
      "decision": "not_used_beyond_lead",
      "reason": "Search indexed 16-pagePDF but full retrieval repeatedly failed(timeout/403). Do not treat the 1253 founding claim as independently inspected.",
      "url": "https://repositorio.ulisboa.pt/bitstream/10400.5/9512/1/ee-nv-1991.pdf",
      "subject": "Valério1991 periodization"
    },
    {
      "subject": "Silver-real account origin before1473",
      "reason": "The inherited profile already contains a 1473 account observation. No earlier account witness was verified in this pass; a 1350 coin-issue date is insufficient."
    },
    {
      "subject": "Astur-Leonese andGalician solidus ancestry",
      "reason": "No automaticFrankish/Roman/Suevic parent. Gold-to-silver accounting transition is regionally staggered and lacks universal fixed conversion; no newnodes merelyfor eachmetal/realm."
    },
    {
      "subject": "Solidus→maravedí lineage",
      "reason": "Concrete contractual units now documented, but no full local successor-account sequence inspected."
    },
    {
      "subject": "Maravedí1182→1477continuity",
      "reason": "Earlieraccountusefirm, identityassociationqualified. Historical rescaling alone doesnot warrant extra maravedínodes."
    },
    {
      "subject": "T-FTM000476 andT-FTM000621 scope",
      "decision": "retain_distinction_extend_vellon_alias",
      "status": "supported",
      "assertion": "Retain realdevellón within maravedí accounting, not the silverreal/peso identity. The 1864 replacement descends fromT-FTM 000621.",
      "sources": [
        "C31-CANO",
        "C31-BILL1864"
      ],
      "locator": "Cano2016pp304,307;May1864expositionp1",
      "reason": "No extra 34-maravedíscale node; nofalse equivalence of 20 vellónreales and 8 silverreales.",
      "review_origin": "research31-castile.json"
    },
    {
      "candidate": "Unqualified Carolingian→Barcelona edge",
      "decision": "retain_qualified_regional_sequence",
      "assertion": "Explicit imported account ancestry is stronger than a common scale, but it does not supply a complete local sequence or exact identity boundary.",
      "sources": [
        "CA31-JARRETT"
      ],
      "locator": "p219",
      "subject": "Unqualified Carolingian→Barcelona edge"
    },
    {
      "candidate": "Barcelona→peseta universal absorption",
      "decision": "hold_ancestry_edge",
      "assertion": "One surviving contract’s equivalence is not proof of general replacement; obtain legislation or original accounting history covering conversion of local balances.",
      "sources": [
        "CA31-IEC1912"
      ],
      "locator": "1878 contract",
      "subject": "Barcelona→peseta universal absorption"
    },
    {
      "candidate": "1000 mancus rate and Islamic predecessor",
      "decision": "no_parent_edge",
      "assertion": "Jarrett identifies the often-cited 6 solidi/mancus rate as a misreading of a price containing both amounts. Gold instruments alone do not identify account ancestry.",
      "sources": [
        "CA31-JARRETT"
      ],
      "locator": "pp225–226",
      "subject": "1000 mancus rate and Islamic predecessor"
    },
    {
      "candidate": "All Catalan county monies or grosso/curribile variants as nodes",
      "decision": "not_admitted",
      "assertion": "Regional coin and valuation differences need individually scoped account identity evidence; the present node is Barcelona-focused.",
      "sources": [
        "CA31-JARRETT"
      ],
      "locator": "pp226–230",
      "subject": "All Catalan county monies or grosso/curribile variants as nodes"
    },
    {
      "id": "AR31-MALLORCA-PARENT",
      "parent": "CUR-V31-VALENCIAN-ACCOUNT",
      "child": "CUR-V31-MALLORCAN-ACCOUNT",
      "years": [
        1288,
        1310
      ],
      "status": "held_account_boundary",
      "assertion": "Valencian contractual use in Palma, later Mallorcan accounting and gradual coin replacement make regional ancestry plausible. Exact account succession is not yet demonstrated; retain as frontier/context, not supported ancestry. Dates bracket sampled evidence, not exclusive use.",
      "sources": [
        "AR31-BURNS",
        "AR31-LLOMPART",
        "AR31-MATEU"
      ],
      "locator": "Burns chapter4; Llompart pp.108–115; Mateu pp.142–143",
      "subject": "AR31-MALLORCA-PARENT"
    },
    {
      "id": "AR31-OTHER-PARENTS",
      "status": "unresolved",
      "assertion": "Jaca and Valencia origins are not connected to Barcelona, Carolingian or Castilian accounts by exchange ratios or shared libra/sou/diner structure. Earlier account documents remain the next targeted front.",
      "subject": "AR31-OTHER-PARENTS"
    },
    {
      "id": "AR31-TERMINATION",
      "status": "unresolved",
      "assertion": "No inspected source proves obligatory replacement of these local account identities by Castilian or national Spanish money. Distinct accounting in 1790 rules out treating 1707 or mint closure as their demonstrated end.",
      "sources": [
        "AR31-POY",
        "AR31-MATEU"
      ],
      "locator": "Poy pp.241–242,283,290; Mateu p.130",
      "subject": "AR31-TERMINATION"
    },
    {
      "frontier": "Cordoban accounting before916",
      "decision": "hold earlier strict date",
      "missing_record": "A dated price, debt or fiscal obligation earlier than 916 explicitly using this scoped unit. The 769 treasure total is insufficient by itself.",
      "sources": [
        "A31-CHALMETA"
      ],
      "locator": "p118 sections2.1–2.2",
      "subject": "Cordoban accounting before916",
      "reason": "A dated price, debt or fiscal obligation earlier than 916 explicitly using this scoped unit. The 769 treasure total is insufficient by itself."
    },
    {
      "frontier": "Cordoban dinar-dirham → Almoravid / Almohad / Granadan systems",
      "decision": "no ancestry edge",
      "missing_record": "A local legal or contractual conversion, continued old obligation, or demonstrable accounting sequence across these transitions. Shared dinar/dirham labels and metrological comparisons do not establish succession.",
      "sources": [
        "A31-CHALMETA",
        "A31-NAZARI2025"
      ],
      "locator": "Chalmeta pp118–121; Jiménez Puertas section2",
      "subject": "Cordoban dinar-dirham → Almoravid / Almohad / Granadan systems",
      "reason": "A local legal or contractual conversion, continued old obligation, or demonstrable accounting sequence across these transitions. Shared dinar/dirham labels and metrological comparisons do not establish succession."
    },
    {
      "frontier": "Almoravid-derived gold maravedí as a separate node",
      "decision": "hold separate node pending identity boundary adjudication",
      "missing_record": "Resolve whether the existing maravedí identity should encompass its gold contractual phase or requires a separate independently scoped gold unit; document the gold-to-billon obligation relationship. Do not create an issuer-only duplicate.",
      "sources": [
        "A31-FRANCISCO",
        "A31-OLIVA"
      ],
      "locator": "Francisco Olmos pp293–294; Oliva Manso pp494–496,1219 debt dispute",
      "subject": "Almoravid-derived gold maravedí as a separate node",
      "reason": "Resolve whether the existing maravedí identity should encompass its gold contractual phase or requires a separate independently scoped gold unit; document the gold-to-billon obligation relationship. Do not create an issuer-only duplicate."
    },
    {
      "frontier": "Granadan pesante → Castilian maravedí",
      "decision": "no replacement edge or1492 termination",
      "missing_record": "A law or actual obligation series extinguishing or converting Granadan-denominated liabilities into Castilian units. Tax exchange quotations alone are insufficient.",
      "sources": [
        "A31-NAZARI2025"
      ],
      "locator": "pp11–12",
      "subject": "Granadan pesante → Castilian maravedí",
      "reason": "A law or actual obligation series extinguishing or converting Granadan-denominated liabilities into Castilian units. Tax exchange quotations alone are insufficient."
    },
    {
      "subject": "Granadan silver dinar, nominal gold dinar and dirham",
      "decision": "one_account_identity_with_fixed_scales",
      "status": "supported",
      "assertion": "The silver account dinar equals 10 dirhams; the nominal gold dinar at customary silver exchange equals 75. These interchangeable scales differ from actual gold coins with fluctuating prices.",
      "sources": [
        "A31-NAZARI2025"
      ],
      "locator": "pp2–4 section2",
      "review_origin": "research31-andalus.json"
    },
    {
      "subject": "Granadan old/new pesante reform",
      "decision": "retain_same_unit_era_not_new_rescaling_node",
      "status": "supported_inference",
      "assertion": "The explicit old-debt conversion supports a scale-era entry within the account profile.",
      "sources": [
        "A31-NAZARI2025"
      ],
      "locator": "p11 section3.2.2 note82",
      "review_origin": "research31-andalus.json"
    },
    {
      "subject": "Castilian maravedí Islamic antecedent",
      "decision": "antecedent_documented_but_no_new_typed_parent_edge",
      "status": "qualified",
      "assertion": "Toledo property contracts use old Almoravid gold maravedís in 1112 and morabiti mithqals in 1115; a 1173 sale uses Alfonsine gold mithqals. This establishes local adoption history, but not every step linking gold obligations to later billon accounting.",
      "sources": [
        "A31-FRANCISCO",
        "A31-OLIVA"
      ],
      "locator": "Francisco Olmos pp293–294 notes17,21; Oliva Manso pp494–496",
      "review_origin": "research31-andalus.json"
    },
    {
      "code": "NAV31-FRANKISH-PARENT",
      "decision": "hold",
      "assertion": "Shared libra/sueldo/dinero arithmetic is insufficient to date an actual Frankish-to-Navarre adoption. No ancestry edge proposed.",
      "sources": [
        "NAV31-ALEGRIA"
      ],
      "locator": "p.303, Monedas.",
      "subject": "Research finding"
    },
    {
      "code": "NAV31-MORLAN-PARENT",
      "decision": "hold",
      "assertion": "Morlan and tournois were valued alongside sanchetes; cross-currency rates do not establish either as the Navarrese account’s predecessor.",
      "sources": [
        "NAV31-ALEGRIA"
      ],
      "locator": "p.303, Table 1.",
      "subject": "Research finding"
    },
    {
      "code": "NAV31-TOURNOIS-1355",
      "decision": "hold",
      "assertion": "The unproved 1355 implementation prevents treating its Tours-model prescription as demonstrated replacement ancestry.",
      "sources": [
        "NAV31-CRISIS"
      ],
      "locator": "pp.114–115.",
      "subject": "Research finding"
    },
    {
      "code": "NAV31-CASTILE-1513",
      "decision": "reject_as_unit_conversion",
      "assertion": "The 1513 alignment concerns coin standards; 1524 still requires local contract accounting.",
      "sources": [
        "NAV31-FRANCISCO"
      ],
      "locator": "pp.76–77.",
      "subject": "Research finding"
    },
    {
      "code": "NAV31-SPAIN-END",
      "decision": "hold",
      "assertion": "No inspected source establishes a final, territory-wide conversion of Navarrese obligations into Spanish accounting. No 1841 unit-death claim or successor edge is admitted.",
      "sources": [
        "NAV31-SORAUREN",
        "NAV31-SANTOS"
      ],
      "locator": "Soraurenpp.657–658; Santospp.417–418.",
      "subject": "Research finding"
    }
  ]
}
