Product Name:Ancient coin auctionDescription:rare coin auctions Itemrare coin auctions ProcessStamping / die castingMaterialiron, brass, zinc alloy, gold, silver, bronze, stainless steel Size45mmThickness3mmPlatingnickel, anti-nickel, black nickel, brass, anti-brass, copper, anti-copper, gold, anti-gold, silver, anti-silver, chrome, dyed..