Ancient coins collection /customized old coins Product Description Basic information for metal craft : MaterialZinc alloy, brass, copper,aluminumTechniqueStamping, die-casting, engraved, painted, silk screen, offset printing,etcplatingGold, silver, nickel, brass, cooper, antique plating,etcDesign2D, 3D, cut outCutting edgePetal, curve, wave,..