Pepe DeMeo of New York sent in a 2001-P Kennedy half dollar with some very interesting effects. While a normal coin has basined (concave) fields, the reverse of his coin is convex, somewhat like a brass button.
A normal concave effect allows the central design to be raised up from the recess to gain relief and still be lower than the rims to protect the designs from undue wear and to facilitate the stackability of the coins...
Full Article: Convex Reverses on Kennedy Halves a First - NumiMaster
Related posts:
