NGC 1976 bicentennial half struck on a quarter blank. The coin is struck on the much smaller 25c blank, and has the weight and metal of a quarter, but is struck with the half dollar dies...
NGC 1971-D Kennedy half major off-center, with the coin struck 70% off-center. Major off-centers are fairly scarce.
MS63 with mostly white surfaces. A small counting wheel mark on the planchet.
PCGS (1971-2024) Kennedy half double-struck with the strikes 98% and 70% off-center, and die struck on both sides. A scarce double-strike combo on a Kennedy half!
MS62
PCGS 1964-D Kennedy half struck on silver quarter planchet. The coin has a smaller diameter than a normal half, and is struck on a planchet that is the silver alloy and weight of a quarter. Scarce...