Help Needed, Possible Error Or Damaged?

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Author	Replies: 7 / Views: 1,218
Aaron1978 Valued Member United States 148 Posts	Posted 07/04/2016 5:27 pm Hello, I would like some input about this penny I found when I reciently purchased a lot of loose pennies. I think it's a 1993. My question is this penny is bigger than any other penny by a lot. Other pennys sit well inside the upset rim/edge. There also is a groove inside where the reeded edge would be on like a quarter for say. Is this just zinc "gassing off"? Thank you. Report this Post to the Staff

lawest Pillar of the Community United States 1998 Posts	Posted 07/04/2016 5:30 pm Looks post mint damage Report this Post to the Staff
Aaron1978 Valued Member United States 148 Posts	Posted 07/04/2016 5:34 pm Ok, thanks! I have not seen one like this. Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 07/04/2016 5:39 pm Boy, that one's had a rough go of it. Report this Post to the Staff
NoPoMoCo Valued Member United States 403 Posts	Posted 07/04/2016 6:01 pm Stripped and beat on. Sad. How much does it weigh? Report this Post to the Staff
Aaron1978 Valued Member United States 148 Posts	Posted 07/04/2016 6:07 pm I havent weighed it yet. Ill get back to you. Report this Post to the Staff
Aaron1978 Valued Member United States 148 Posts	Posted 07/04/2016 8:51 pm It weighs 2.33g on the obverse and reverse sides. Report this Post to the Staff
NoPoMoCo Valued Member United States 403 Posts	Posted 07/05/2016 8:39 pm Thanks for the weighing; I was surprised by the groove and curious about metal loss from the damage. It's difficult to know exactly what happened, but I have a story: The cent was horribly abused, beat and somewhat flattened with a hammer. The thin copper plating surrounding the zinc core was heavily damaged. The cent was then subjected to an acidic environment, which ate into the exposed zinc. The grove around the edge formed, and the copper plating eventually was lifted off. If the original weight was 2.50g it lost 0.17g in the process. The loss of copper plating amounted to 0.04g, and the rest (0.13g) was the loss of zinc. Report this Post to the Staff
	Replies: 7 / Views: 1,218

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