CommemorativeCustom ChallengeOldCoins Custom Challenge Coins Item name custom commemorativechallenge souvenir coin Material Iron, zinc alloy, brass, bronze, copper, etc Size 40MM Diameter, or custom size Thickness 0.8mm-3.5mm, also can be customized Process Die casting, soft enamel, or hard enamel Plating Options Nickle, antique nickle, black nickle, gold, antique gold, silver, antique silver, brass, antique brass, bronze, antique bronze, copper, antique copper, dyed black, pear nickle, double plating, etc Color Pantone color C Epoxy With or without epoxy coating Coin Edge Bezel, Crosscut, Oblique, Rope MOQ 100pcs for each design