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1985 D Penny Mint Error?

 
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Author Previous TopicReplies: 4 / Views: 122Next Topic  
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 Posted 11/25/2020  09:02 am Show Profile   Bookmark this topic Add Shnog to your friends list Get a Link to this Message
I've randomly started checking my coins to see if I could find a rare coin, I've seen other questions like mine but still I gotta ask. Does this penny just have zinc rot or is it an error?
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 Posted 11/25/2020  09:11 am  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
W@shnog, first welcome to CCF. Second, it looks to me like there is some bubbling of the copper plating due to deterioration of the underlying zinc in the area of the mint mark, so that would be zinc rot. However, the large grey area in the middle of this coin is more likely chemical exposure which has stripped off some of the copper plating. Neither of these issues is a mint error.
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 Posted 11/25/2020  09:19 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
I feel this is done with a cigarette lighter heating the coin. There are partial plated coins, but they have a fading color on them:




Sometimes the plating is either removed or re-coated with zinc. There are several YouTube videos about this.

But the real examples of un-plated zinc cents, found have smooth surfaces are the real deal:

So if you see the surface gray in color and there are the appearance of plated over zinc dust, then you should assume that these were plated and was re-coated with zinc.


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 Posted 11/25/2020  09:52 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply


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