By Q. David Bowers This week I share some comments from my 2002 book on the S.S. Central America . That was 18 years ago, but in some ways, it seems like yesterday: The San Francisco Mint, which opened for business in spring 1854, plays a central role in the saga of the S.S. Central America, as the majority of coins recovered from that ship are double eagles bearing “S” mintmarks, including for all years 1854 through 1857. Among the latest-dated 1857-S coins, nearly all are in full Mint State, and some challenge the definition of perfection. Description of the New Mint The Sacramento Union, January 11, 1854, gave a view of the San Francisco Mint facilities, then in the process of being completed: The California Mint will be ready for delivery to the government in February. It will be capable of coining $100,000,000 per annum. The machinery is of the most approved style and finish, and the house adapted in every respect to receive and sustain the weight and force exerted by the