½ Dollar 'Kennedy Half Dollar' (Bicentennial).¼ Dollar 'Washington Quarter' (Bicentennial).The mintmark is above the '97' in the date, below Eisenhower's portrait. All quarter dollars, half dollars, and dollars were struck with a special obverse during 19 to celebrate this event.
The 200th anniversary of this event in 1976 (also known as the American bicentennial), a widely celebrated event.
