High quality For Excellence soft enamel coin collection : MaterialZinc alloy, brass, copper, iron, pewter, stainless steel, etc.TechniqueDie-casting, engraved, painted, silk screen, offset printing, etc.PlatingGold, silver, nickel, brass, copper, antique plating, misty plating, daul plating, etc.Design2D, 3D, cutout.Cutting edgePetal, curve,..