Question: what is a 1 fr. coin?
Answer: The Swissmint issued Swiss Franc coins in 11 different denominations, including this 1 Swiss Franc coin. They are part of the Swiss Franc coins series. ... This one Swiss Franc coin has a diameter of 23.2mm and weighs 4.4g. On the copper-nickel 1 CHF coin, the inscriptions reads 'Helvetica' and '1 fr. '.