1853-GG Round 50 Cents. BG-414. Rarity-5-. Liberty Head. MS-60 (PCGS). A popular scarcity with a federal-style head of Liberty and the makers mark, GG, for the firm of Gaime, Guillemot & Co., active in San Francisco circa 1852 to 1854. This is an example of one of the varieties that was recovered in the early 1960s from the wreck of the <em>S.S. Winfield Scott </em>which sank in December 1853. From the Oregon Collection.