... :iron, copper,brass,bronze,zinc alloy,stainless steelCraft: die cast,die struck,stamped,photo etchingPlating:gold,antique gold,matte gold,silver, ... bronze,copper,antique copperLogo style:hard enamel,soft enamel,die struck enamel,die cast enamel,silk screen printing,offset printing,engraved,embossed ... would be my great honor to serve you. fashion cufflinks with plating nickel and soft enamel