2010 S $1 James Buchanan Proof One Dollar Coin San Francisco

The 2010 S $1 James Buchanan Proof One Dollar Coin from San Francisco is an uncirculated presidential coin minted by the United States Mint. This coin features James Buchanan as the variety and is certified by the U.S. Mint. It is a valuable collector's item for those interested in US coins and paper money, specifically focusing on presidential dollars.