Metal medal, Material:zinc alloy or copper,brass,antique copper,bronze, gold, silver ... Specifications defence threat reduction agency award medal 1.Material:zinc alloy or copper,brass,antique copper,bronze, gold, silver.. ... agency award medal Description:1. Material: steel, brass, zinc alloy, copper, iron etc.2. Process: die-cast/struck, stamping ... to customer’s request. AWARD MEDAL WITH RIBBON