United States.Half Dollar “Kennedy” Coin. Mint Years: 1964 Reference: KM-202. Denomination: 1/2 Dollar Material: Silver (.900) Weight: 12.55gm Diameter: 31mmObverse: Head of John F. Kennedy left splitting motto. Legend: LIBERTY / IN GOD WE TRUST / 1964Reverse: Heraldic eagle with US shield at chest, thunderbolts and olive branch in claws. Legend: UNITED STATES OF AMERICA / HALF DOLLAR ...