... from .999 purity gold bullion bars/coins, .999 purity silver bullion bars/coins, custom designed medals/medallions, souvenir metal coins ... zinc alloy, copper, bronze, brass, .999 purity gold, .999 purity silver,2. Shape: any shape or design of coin is available with ... or without color.3. Finishes: silver plating, gold plating, antique effect, enamel effect, pad printing, ...