... Coin 2.Material: copper,alloy 3.Process: die casting, gold plated,ribbon 4.free design 5.welcome OEM Metal Souvenir Medal,Enamel Medal,Custom ... Aoki cloisonne color chart5.Plating: golded, nickel, anti-gold,mat gold, anti-nickel, silver, etc6.Attachment: butterfly clutch, ... etc7.Epoxy: yes or no8.Thickness: usually2-6mm9.Use: souvenir, promtional gift, decoration, collection,recogniton for group, team ...