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.
Berne frank
The Frank was the currency of the Helvetian Republic from 1798, replacing the Thaler in Berne. The Helvetian Republic ceased issuing coins in 1803. Berne issued coins between 1808 and 1836. In 1850, the Swiss franc was introduced, with Swiss francs = 1 Berne Frank.