Name: Metal pin badges 1,material:Brass 2,artwork:Die-struck soft enamel 3,attchment:butterfly clutch 4,plating :Gold Features Specifications Name: Metal pin badgesMaterial: brass, iron, zinc alloy, pewter, stainless steel, aluminum etc.Processing: hard enamel, imitation hard enamel, die-stamped brass or iron, photo-etched, silk screen printing, off-set printing, laser engraving etc.Plating: gold ...