... : 30mm Accessory: 1 B/COptions on pin badge:Material: Iron, Copper, Brass, Zinc Alloy, Stainless Steel, Bronze;Process: Die Casting, Die ... , Antique Gold, Matte Gold, Silver, Antique Silver, Matte Silver, Nickel, Black Nickel, Copper, Antique Copper, Rhodium, Chromium, and double plating are available;Accessory: Plastic ...