Check the listing for details. 1951 S FRANKLIN HALF DOLLAR. Condition: Ungraded, Made in United States. Listed at 18.00 USD. The 1951 S Franklin Half Dollar is a rare and valuable coin minted in San Francisco in 1951. This silver coin features a portrait of Benjamin Franklin on the obverse and is part of the series of half-dollar coins from the United States. With a fineness of 0.9, this business strike coin is in extremely fine to about uncirculated condition and is a sought-after piece for collectors of U.S. coins.