... : Engraving with colours. 5.Suitable for Promotional gifts Gold maple leaf Gold bullion Description:Production Type:Coin, medal, bullion, badge ... , insignia, etc. Material: pure gold, pure silver, copper, bronze, brass, zinc alloy, etc ... painted, transfer printing, plated, welding, etc. Plating: gold, antique gold, silver, antique silver, cooper, etc. Delivery time: According ...