The United States Half Dollar Set all Silver features coins with a denomination of. 50 cents, crafted from silver with a fineness of 0.9 except for the Bicentennial which has a fineness of 0.4. This set includes coins from various years such as 1901, 1943, 1958 D, 1964 D, and 1976 S Proof, minted in locations like Denver, San Francisco, and Philadelphia. These coins are part of American currency history, making them a valuable addition to any coin collection or investment portfolio.