... Advanced 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, ... . As the award for the contributors.2. Used for souvenirs for the holiday, opening ceremony, anniversary, etc.3. ...