I found this 1982 Lincoln Penny with the rim of the reverse cutting the word "AMERICA" in half almost???
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I'm so sorry, I am still trying to figure this all out, I'm pretty new here. I actually do not have a scale right now, so I really do not know.
It's an unusual form of die deterioration called "peripheral die expansion and erosion". It seems restricted to 1982 cents. Many die pairs are affected. Here's more information: http://www.error-ref.com/?s=die+expansion+and+erosion