WIR Bank
The WIR Bank, formerly the Swiss Economic Circle (German: "Wirtschaftsring-Genossenschaft"), or WIR, is an independent complementary currency system in Switzerland that serves businesses in hospitality, construction, manufacturing, retail and professional services. WIR issues and manages a private currency, called the WIR Franc, which is used in combination with the Swiss Franc to generate dual-currency transactions.
Banknotes of the Swiss franc
During the 19th century the cantons (states) of Switzerland had the right to print their own notes. Following the law of 8 March 1881 the Swiss National Bank had the exclusive right to issue banknotes in Switzerland. Its first notes were issued in 1907. Since then, nine series of Swiss franc notes have been printed, six of which have been completely released for use by the general public, and a new series started being released in 2016.