world's smallest gold coin", this had a weight of 0.063 g ( troy ounce). Bimetal coins: Coins in two alloys (Cu 75/Ni 25 and Cu 89/Al 5/Zn 5/Sn 1) have been issued with nominal values of 5 and 10 francs during 1999–2003 and since 2004, respectively. See also Swiss franc Centime Rappen Vreneli Banknotes of the Swiss franc Swissmint Notes and references External links Coinage table (Swissmint) Banknotes and coins (Swiss National Bank) Swiss coins (www.zumbo.ch) Switzerland Swiss franc