The 2026 S Semiquincentennial Silver Proof Set is a special collection of 10 uncirculated silver coins minted in San Francisco by the United States Mint. These coins have a fineness of 0.999 and come with original government packaging (OGP). Each coin features a proof strike type, making them highly sought after by collectors for their mirror-like finish. This set commemorates a significant milestone in U.S. history, making it a valuable addition to any coin collection. Get that coveted 1776 - 2026 S Penny in your hand today!