Item Souvenir coin Process Stamping / die casting Material Iron / brass / copper / zinc alloy etc. Size 45 / 55 / 60mm (customer size) Thickness 1-8mm Plating Nickel, anti-nickel, black nickel, brass, anti-brass, copper, anti-copper, gold, anti-gold, silver, anti-silver, chrome, dyed black, pearl gold, pear nickel, double plating and more Color Soft enamel / Synthetic Enamel / Hard Enamel / Synthetic enamel without polish /Printed etc.