... &Advanced technic. Product deatures: Item nameSouvenir plateMaterialGold, plating gold, silver, copper, zinc alloy, alluminum alloy, antique bronze, antique gold&silver, all ... pins, Pins, Cufflinks, Metal coins, etcPlatingPure gold, pure silver, antique copper, nickel, iron, brass, brone, aluminum, zinc alloy, etc.ProcessDie-casting, printed ...