1964 SILVER First Year Kennedy Half Dollar, Brilliant Uncirculated! Rare 90% Silver Kennedy Half Dollar! When JFK Was Assassinated In 1963 The U.S. Mint Rushed To Make A Coin In His Honor. They Replaced The Franklin Half Dollar With The Kennedy SILVER Half Dollar For 1964. This Is The Only Year A Kennedy Half Dollar Is 90% Silver, After 1964 They Were Minted At 40% Silver. Check Out This Gorgeous 90% Silver 1964 Kennedy Half Dollar In Brilliant Condition! Invest In History & Fine U.S. Silver!