The G 10 coin, produced by the U.S. Assay Office in Moffat & Humbert, is a prominent collectible that originated during the California Gold Rush. Minted in 1852, these coins were created to facilitate the gold standard and validate gold content from the California mines. The G 10 designation indicates a weight of 10 grams of gold, reflecting the flourishing gold market of the time and the role of private assay offices in guaranteeing gold quality and purity. Collectors often seek these coins due to their historical significance and connection to the early days of the American gold economy.

Item Denomination Series Year Mint
1852 G$10 Augustus Humbert K-10 G$10 U.S. Assay Office - Moffat-Humbert 1852 California