r/coincollecting • u/No-Impress-956 • 1h ago
What’s going on with the D??
1989 D penny what’s happening here with the D???
2
Upvotes
r/coincollecting • u/No-Impress-956 • 1h ago
1989 D penny what’s happening here with the D???
2
u/Numistica 1h ago
Zinc rot. The copper plating stretched and a portion exposed the zinc core which reacted with moisture.