High quality metal gifts coin collections Descriptions: ItemCoinProcessStamping / die castingMaterialIron / brass / copper / zinc alloy etc.Sizecustomer sizeThickness1-8mmPlatingnickel, anti-nickel, black nickel, brass, anti-brass, copper, anti-copper, gold, anti-gold, silver, anti-silver, chrome, dyed black, pearl gold, pear nickel, double..