NGC 50c 1971-S proof Kennedy half with strong clashed dies on the obverse and reverse. The clash marks can be seen around Kennedy's profile, and the outline of much of Kennedy's head can be seen on...

NGC 1971-S proof Kennedy half die adjustment strike and struck thru on the obverse. On the obverse, the coin is struck through some sort of textured substance, similar to sandpaper. What it is, we do...

1971-D 50c Kennedy Half 5% Curved Clip NGC AU58

NGC 1971-D Kennedy half struck 70% Off-center at 12 o'clock. MS66

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. 

NGC proof clad Kennedy half dollar T-2 planchet. The coin has glimmering proof surfaces. Very scarce, and one of the scarcer proof planchets types.    Ungraded but with glimmering surfaces...

NGC 1972-S proof Kennedy half with a 2% curved clip at 11 o'clock. Proof clips are scarce.   PF66 with moderate white toning. 

NGC 1974 Kennedy half with a large 25% indent on the obverse. Indents are very scarce this large on Kennedy halves. A beautiful example with good eye-appeal!   MS64 lustrous white 

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...