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cfa franc

n. A currency used in 12 African countries

Wikipedia
CFA franc

The CFA franc (in French: franc CFA , or colloquially franc) is the name of two currencies used in Africa which are guaranteed by the French treasury. The two CFA franc currencies are the West African CFA franc and the Central African CFA franc. Although theoretically separate, the two CFA franc currencies are effectively interchangeable.

Both CFA francs currently have a fixed exchange rate to the euro: 100 CFA francs = 1 former French (nouveau) franc = 0.152449 euro; or 1 euro = 655.957 CFA francs exactly.

Although Central African CFA francs and West African CFA francs have always been at parity and have therefore always had the same monetary value against other currencies, they are in principle separate currencies. They could theoretically have different values from any moment if one of the two CFA monetary authorities, or France, decided it. Therefore, West African CFA coins and banknotes are theoretically not accepted in countries using Central African CFA francs, and vice versa. However, in practice, the permanent parity of the two CFA franc currencies is widely assumed.