The standard weight of these coins was 350 grains.Īll coins of Denver and Philadelphia were stuck for regular circulation. United States Mint of San Francisco, United States (1854-date)
United States Mint of Denver, United States (1906-date) United States Mint of Philadelphia, United States (1792-date)
Frank Gasparro was the tenth Chief Engraver of the United States Mint, holding this position from Februto January 16, 1981.