The 1976 S Proof Set 3 Piece Bicentennial Ike Kennedy Washington Silver is a collection of uncirculated silver coins with a fineness of 0.9, each struck by the U. Mint in San Francisco. This set includes three coins featuring different designs commemorating the bicentennial of the United States, including images of President Dwight D. Eisenhower, President John F. Kennedy, and President George Washington. This limited edition set is a valuable addition to any coin collection, showcasing the craftsmanship and history of American coinage.