The Standing Liberty Quarter is a 25-cent coin minted by the United States from 1916 to 1930, notable for its depiction of Liberty on the obverse and an eagle on the reverse. The 1917 issue includes modifications to the design, particularly the addition of more detail to Liberty and alteration to the eagle's position. Coins minted in San Francisco, denoted by an "S" mintmark, are particularly sought after by collectors due to their lower mintage compared to other mint locations, often increasing their value in the numismatic market.

Item Denomination Series Year Mint
1917-S 25c Type 1 25c Standing Liberty Quarters 1917 San Francisco