Obverse

Profile of John Fitzgerald Kennedy facing left

Lettering: 
LIBERTY
IN GOD WE TRUST
1966

Engraver: Gilroy Roberts 

Reverse

Modified presidential seal of the United States of America: A shield (with vertical stripes) on the chest of an American eagle. The eagle holds an olive branch on its right talon and a bundle of thirteen arrows on its left, and in its beak a scroll with "E PLURIBUS UNUM". A circle of stars surrounds the eagle.

Lettering: 
UNITED STATES OF AMERICA
E PLURIBUS UNUM
FG
HALF DOLLAR

Engraver: Frank Gasparro 

Edge

Reeded