The franc replaced the thaler in 1839. It was equal to the French franc. In 1850, the Swiss franc was introduced, with 1 Swiss franc = 1 Geneva franc.
Coins
Billon coins were issued in denominations of 1, 2, 4, 5, 10 and 25 centimes. Small numbers of coins were struck in silver for 5 and 10 francs and in gold for 10 and 20 francs.