Gold Swiss 20 Francs are one of the most popular gold coins in the world. Swiss gold coins were first struck in 1492 and were known worldwide as a universal currency for many years. Swiss gold coins are recognized around the world as an inexpensive way to acquire beautiful gold coins. Each Swiss 20 Franc weighs 1/5 of an ounce and contains .1867 troy oz. of pure gold. The Swiss 20 Franc is priced based on its weight and the spot price of gold plus a mintage premium.