Each set contains uncirculated versions of the cent, nickel, and the 90% Silver dime, quarter, and half dollar from both the Denver and Philadelphia mints (total 10 coins). These sets will be from the final years when U.S. Uncirculated (or Mint Sets) were made containing 90% Silver coins. Total Silver content in each set is 1.22974 ozs. Years of our choice (1960-1964). May or may not be in original mint packaging.