... coins, numismatic coins Product namecustom zinc alloy casting metal coin holder with high quality and fashion bronze plated Materialzinc alloy,brass,bronze,aluminum copper etc ... black, chrome, dual plating, etc.Size35mm,40mm,45mm,50mm or customizedThickness1.5mm,2mm,3mm,4mm or customizedLogolongzhiyu or OEM Process Casting,engraving,printing ...