... technic. Product deatures: Item nameSouvenir plateMaterialGold, plating gold, silver, copper, zinc alloy, alluminum alloy, antique bronze, ... Souvenir plates, Lapel pins, Pins, Cufflinks, Metal coins, etcPlatingPure gold, pure silver, antique copper, nickel, iron, brass, brone, ... celebrate the historical moments.The process of manufacture medal&souvenir coins:Medals are generally manufactured by die- ...