Call for current gold prices and purchasing. Each year we inspect and hand build proof sets, these are sets containing 1 of each size medallion, from the 1/20 up to the 1oz. proof. (It does not contain the 3 oz. size) We build and sell only about 40 or 50 sets each year, this is a very collectible item. Each proof set is contained in a special holder and includes a certificate of authentication, signed by our governor. Other State Medallion Sets Available. Call for Availability and current price. Price fluctuates daily with the market price of gold.