Legal tender
The Swiss franc is also the currency used for administrative and accounting purposes by most of the numerous international organisations that are headquartered in Switzerland.
Coins of the Swiss franc
Since 2004, moreover, the existing pure nickel 20 centime coins of the years 1881–1938 have been withdrawn from circulation because machines cannot detect them. Today, all the coins except the 5 centime coin (aluminum-bronze since 1981) are in a copper-nickel (cupronickel) alloy. Seven coins (1995) are currently in circulation: