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Currency history

Guinean syli

Guinean syli: a historical unit of account.

Dates in use
Introduction and ending not established
Ancestry branch
French franc

Select a name for its history or a dated connection for its evidence.

The story

Guinea restores the franc. Use changeover date rather than 1985 note-series dating. [1]

Turning points

Redenomination

The syli replaces the first Guinean franc. Contemporary notice establishes changeover; 1971 note-series dates are not adoption dates. [2]

Sources and evidence

  1. Deutsche Bundesbank · Metadata on the Exchange Rate Statistics, 24 September 2025 C759 ↗
  2. US Treasury · US Treasury — Reporting rates, contemporary 1972 amendment C758 ↗

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Full claims, evidence coverage, corrections and earlier interpretations are kept separately.

Cite this page

“Guinean syli.” The Family Tree of Money. © Field Technologies, Inc. Reader edition 2026-10-13; research dataset v44. https://familytreeofmoney.org/currency/T-FTM000824.html

Editorial evidence supplement · Download dataset v44

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