Franklin Halves are a series of 50-cent coins minted by the United States from 1948 to 1963, featuring a depiction of Benjamin Franklin on the obverse and the Liberty Bell on the reverse. The 1951 Franklin Half Dollar was minted in various facilities, including the San Francisco Mint, which produced coins with a "S" mint mark. These coins are sought after by collectors due to their historical significance and silver content. The 1951 San Francisco issue specifically is known for its higher quality strikes and lower mintage compared to other years.

Item Denomination Series Year Mint
1951-S 50c 50c Franklin Halves 1951 San Francisco