PCGS 1976-D bicentennial half struck 50% off-center and uniface reverse. The coin is blank on the coin's reverse due to the coin having been struck against another planchet. Also, it is the ideal percentage off-center at 50%.
PCGS 1997-D Kennedy half struck 55% off-center. The coin has a nearly full date, and the coin has good eye-appeal, with about half the design and planchet visible.
Major off-center...
PCGS 1995-P Kennedy half struck 50% off-center. A very nice example, being the perfect percentage off-center, and with a full date and mintmark visible. Scarce.
PCGS MS65 lustrous with a hint...