... Item:Metal Badge Pin Material:CopperPlating:NickelProcess:Die struck with enamel(Epola)Accessory:1 butterfly clutchSize ... Copper, Brass, Zinc Alloy, Stainless Steel, Bronze;Process: Die Casting, Die Struck, Stamped, Photo Etched;Plating: Gold, Antique Gold, ... Style: Cloisonne(Hard Enamel), Epola(Soft Enamel), Die Struck Enamel, Die Casting, Silk screen printing, Offset Printing, Engraved, Embossed ...