Where did this money come from?
Guinean syli
A history told through its predecessors and the currencies that followed.
13 ancestors1 descendantEstablished connections in this atlas
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DocumentedQualified
The incoming line
All 13 ancestors shown. Predecessors lead down to the selected currency. Later contributions join an existing currency; they do not establish its origin.
Predecessor332 BC–259 BC
Attic drachma accountingQualified · Intervening stages openLater contributionAD 296–AD 351
Egyptian silver drachma accountingQualified · Later contributionPredecessorAD 274–AD 375
Roman as–denarius–sestertius accountingQualified · Intervening stages openPredecessorAD 400–AD 700
Roman solidus–nomisma accountingQualified · Intervening stages openMultiple connections
Frankish denier–livre reckoning2 connections · Includes qualified linksPredecessor1435–1436
Portuguese dinheiro–soldo–libra accountingDocumentedPredecessor1795–1799
Livre tournoisDocumentedPredecessor1911
Portuguese realDocumentedPredecessor1945
French francDocumentedPredecessor1976
Portuguese escudoDocumentedLater contribution1997
Guinea-Bissau pesoDocumented · Later contributionPredecessor1960
CFA francDocumentedPredecessor1972
Guinean franc, first unitDocumentedThis currency
Guinean syliDates, conversion terms and evidence 14 connections
Livre tournois French franc
1795–1799Documented1.0125 Livre tournois = 1 French francThe tariff equates 1.0125 livres tournois with 1 franc. Preferred reported date: 25 germinal IV / 14 April 1796 (S16). S17 says 24 germinal. Day remains withheld pending the original act.
Read the evidence and qualifications ↗CFA franc Guinean franc, first unit
Read the evidence and qualifications ↗Guinea-Bissau peso CFA franc
1997DocumentedLater contribution or absorption65 Guinea-Bissau peso = 1 XOFGuinea-Bissau exchanges pesos for CFA francs. Currency changeover is separate from union accession.
Read the evidence and qualifications ↗Portuguese real Portuguese escudo
1911Documented1 escudo = 1,000 réis
Read the evidence and qualifications ↗Frankish denier–livre reckoning Livre tournois
Evidence period: AD 794–1204QualifiedA span of evidence, not an exact foundation date.
Read the evidence and qualifications ↗Egyptian silver drachma accounting Roman as–denarius–sestertius accounting
Evidence period: AD 296–AD 351QualifiedLater contribution or absorptionA span of evidence, not an exact foundation date.
Read the evidence and qualifications ↗French franc CFA franc
Read the evidence and qualifications ↗Guinean franc, first unit Guinean syli
Read the evidence and qualifications ↗Portuguese escudo Guinea-Bissau peso
Read the evidence and qualifications ↗Portuguese dinheiro–soldo–libra accounting Portuguese real
Read the evidence and qualifications ↗Roman solidus–nomisma accounting Frankish denier–livre reckoning
Evidence period: AD 400–AD 700QualifiedEarlier ancestry; intervening stages remain openA span of evidence, not an exact foundation date.
Read the evidence and qualifications ↗Frankish denier–livre reckoning Portuguese dinheiro–soldo–libra accounting
Evidence period: AD 800–1145QualifiedEarlier ancestry; intervening stages remain openA span of evidence, not an exact foundation date.
Read the evidence and qualifications ↗Attic drachma accounting Egyptian silver drachma accounting
Evidence period: 332 BC–259 BCQualifiedEarlier ancestry; intervening stages remain openA span of evidence, not an exact foundation date.
Read the evidence and qualifications ↗Roman as–denarius–sestertius accounting Roman solidus–nomisma accounting
Evidence period: AD 274–AD 375QualifiedEarlier ancestry; intervening stages remain openA span of evidence, not an exact foundation date.
Read the evidence and qualifications ↗What followed
1 direct successor or branch connected to this currency.
This currency
Guinean syliSuccessor or branchGNF
Guinean franc1986Documented1 Guinean syli = 1 GNF
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The complete outgoing line
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This currency
Guinean syliSuccessor or branch1986
Guinean francDocumentedDates, conversion terms and evidence 1 connection
Guinean syli Guinean franc
1986Documented1 Guinean syli = 1 GNFGuinea restores the franc. Use changeover date rather than 1985 note-series dating.
Read the evidence and qualifications ↗