Hancock & Harwell purchases, sells, and appraises investment portfolios and collections of rare United States Gold, Silver and Copper coins. We work with collectors and investors to assemble portfolios and collections of high quality U.S. Gold, Silver and Copper type coins as well as gold coins minted at the Dahlonega, Georgia and the Charlotte, North Carolina mints. We also buy and sell gold bullion, silver bullion and platinum bullion coins and bars.