1964 Kennedy Silver, Silver, Silver U.S. Mint Set, Still In Original Treasury Envelope! 1964 Is A Very Special & Unique Year For U.S. Coinage, The First Year Of Kennedy Half Dollars & THE ONLY Year Kennedy Half Dollars Are 90% Silver! It's Also The LAST Year U.S. Quarters & Dimes Are 90% Silver! In This 1964 Mint Set You Get A Brilliant Uncirculated 90% U.S. Fine Silver Kennedy Half Dollar, As Well As A 90% Brilliant Uncirculated U.S. Fine Silver Quarter, 90% Brilliant Uncirculated U.S. Fine Silver Roosevelt Dime, & One Each Of The Rest Of The 1964 Minted U.S. Coins All Uncirculated. A Great Investment In Precious Metals & An Awesome Piece Of History!