1987 D plating and cracked rim

Jlefkowith143

1987 D penny, here again the plating blisters. There looks to be a cracked rim, and also the plating on the reverse with the silver coming through is that just pmd or a plating error.

Oldhoopster

Its a Ridge Ring caused by a worn out die, not a crack.

The date and mm have die deterioration. If you're asking about the patch of silver coloring on the Left side of the Lincoln Memorial, its only staining

Jlefkowith143

staining and die deterioration. Thank you. I appreciate it.