1966 Kennedy Half Dollar 40% Silver Composition
.Mintage: 108,984,932
.Minted at: Philadelphia (No Mint Mark)
.Designer/Engraver: Gilroy Roberts/Frank Gasparro
.Obverse Lettering: LIBERTY, IN GOD WE TRUST, 1966
.Obverse Designer: Gilroy Roberts
.Reverse Lettering: UNITED STATES OF AMERICA, HALF DOLLAR
.Reverse Designer: Frank Gasparro
.Metal Composition: 40% Silver - 60% Copper
.Diameter: 30.61 mm
.Mass/Weight: 11.5 grams
.Thickness: 2.15 mm
.Variety/Rarity: Philadelphia/Type 2, 40% Silver