The 10pc Set - 2026-S U.S. Silver Proof NGC PF70UC ER American 250th Anniversary consists of a collection of silver coins struck by the United States Mint. Each coin has a fineness of 0.999 and is certified by NGC. This set commemorates the 250th anniversary of the United States with a total precious metal content of 1.473 oz of silver. The coins included in the set are a mix of denominations and years, making it a valuable addition to any coin collection or investment portfolio.