... anti-bronze custom coin baking finish 1.Size:optional 2.Plating:gold,silver,bronze,copper,nickel etc. 3.customer's request anti-bronze custom coin ... baking finish1,Material :copper, zinc alloy, iron, aluminium etc.2,Size:according to the customer's design3,Plating:gold,silver,bronze ... ,copper,nickel,anti-bronze,anti-copper and so on.4, ...