I have this 92 penny and I'm trying to figure out what to call the issues above the reverse letters. As always, I appreciate the help and information.
Not popped plating blisters, although the result is the same. All of the zinc rot areas correspond to split-plate doubling…imo… but, to be fair, it may be some of both. Once the surface is ruptured the rot begins.
So many anomalies, so few errors, go figure! Let's not use any part of Lincoln's name. Let's change it to Zincrap, what do you think...