1968 U.S. Proof Set San Francisco Mint Copper w/ Original Case & Blue Box

The product is a 1968 United States Proof Set from the San Francisco Mint, containing coins composed of copper. This set includes a 50 cent coin struck in proof quality and comes with its original case and blue box. The set is a valuable collector's item showcasing the craftsmanship of the San Francisco Mint in the late 1960s, offering a glimpse into the history and artistry of United States coinage.