1991 D? Lincoln Memorial Cent / LMC Please Help

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Author	Replies: 4 / Views: 658
AprilMay Valued Member United States 79 Posts	Posted 07/26/2018 10:54 pm I found this today and it caught my eye because of the shiny spot. When I put in under my microscope this is what I saw. I am not sure what is going on here. Report this Post to the Staff

Fuzzy317 Moderator United States 14463 Posts	Posted 07/26/2018 11:06 pm Its hard to tell if there is something on top of the D, or part of the plating is missing on the D. If plating is missing, it looks like a zinc gas bubble burst in the D mint mark. Just damage, and as air and zinc react, the cent will get worse. Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 74776 Posts	Posted 07/26/2018 11:33 pm With Fuzzy317. It's Zinc Rot. It's caused by a break in the Copper plating, exposing the Zinc Rot. Once this happens and air reaches the Zinc, the corrosion will eat away at it. I think you had Split Plate Doubling on the mint mark at one point. I think that's why the corrosion process began. http://www.error-ref.com/split-plate-doubling/ Errers and Varietys. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 07/26/2018 11:34 pm Several areas showing split plating/zinc rot damage. Spend it before it is gone. Report this Post to the Staff
AprilMay Valued Member United States 79 Posts	Posted 07/27/2018 12:21 am Thank you guys ;) Report this Post to the Staff
	Replies: 4 / Views: 658

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1991 D? LMC Please Help