The Frank was the currency of the Swiss canton of Unterwalden between 1798 and 1850. It was subdivided into 10 Batzen. It was worth th the French silver écu or 6.67 g fine silver. History The Frank was the currency of the Helvetian Republic from 1798. The Helvetian Republic ceased issuing coins in 1803. Nidwalden issued coins in 1811 and Obwalden issued coins in 1812. In 1850, the Swiss franc was introduced, with 1 Unterwalden Frank = 1.4597 Swiss francs. Coins Both half cantons issued billon coins in denominations of and 1 Batzen, together with silver coins for 5 Batzen. References External links Modern obsolete currencies Currencies of Switzerland 1810s establishments in Switzerland 1850 disestablishments in Switzerland