Casting9.11 AIR FORCE Metal Coin Technique:casting Use:Souvenir materical:iron,zinc alloy ... design and sample:free 24k real gold platecasting 9.11 AIR FORCE Metal Coin SIZEWEIGHTELECTROPLATINGshaping making 40mm+3mm40g including PMMAgold, silver, nickel ...