... numismatic coins Product namePersonal metal silver plated blank metal coin for souvenir or commorative for coin importer Materialzinc alloy,brass ... black, chrome, dual plating, etc.Size35mm,40mm,45mm,50mm or customizedThickness1.5mm,2mm,3mm,4mm or customizedLogolongzhiyu or OEM ... various custom artwork10.Extensive production experiences in metal crafts field11.Professional advices on meterial,process ...