Material: Brass Size:1.75" Soft enamel coin Acrylic case, velvet bags or box for packaging 1. Base metal: Copper/ brass/zinc alloy2 ... casting4. 3D, 2D design5. Attachment: Safety pin, key ring, screw, money clip, etc6. Color reference: Pantone color chart7. All trademarks are ... to sell any items bearing such trademarks . metal custom challenge coin with differnt box