It is made of modern gold with a fineness of 0.999 and was struck in proof condition at the West Point mint. It has a certification number of 9879.70/12539346 and was manufactured in the United States. UNITED STATES COINS, MANY ONE OF A KIND ITEMS, MANY FANTASIC, RARE, VINTAGE COLLECTIBLE M. En's and Ladies Fashion, Sport Memorabilia, Magazines, Books, Toys and Much More.