... encouraging, its range from .999 purity gold bullion bars/coins, .999 purity silver bullion bars/coins, custom designed medals/medallions, souvenir ... pins, key chains, photo frames, and so much on. Military silver medal awarding 1. Mat.: zinc alloy, copper, bronze, brass ... coin is available with or without color.3. Finishes: silver plating, gold plating, antique effect, enamel effect, pad printing ...