Question: are francs made of silver?
Answer: Until the 1860s, French francs were minted in . 900 pure silver (meaning an alloy of 90% silver and 10% base metal, typically copper or bronze), after which they were debased to a . 835, or 83.5%, purity. ... 900 pure silver 10 franc and 50 franc coins minted from 1964 to 1973 and from 1974 to 1980 respectively.