@ss1976, the only mint error that I see on this cent is that it looks like a slightly mis-aligned die (MAD) on the rev. Otherwise, I'm just seeing normal circulation wear and the likely start of zinc rot.
"If you climb a good tree, you get a push." -----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed." -----King Adz