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1975-D Lincoln Cent. Mint Error?

 
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Author Previous TopicReplies: 5 / Views: 169Next Topic  
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67 Posts
 Posted 05/21/2020  12:45 am Show Profile   Bookmark this topic Add almostpennylane to your friends list Get a Link to this Message
I pulled this 1975-D Lincoln cent out of a mint set. Anything going on here? Or did the set just get thrown around a bit? Maybe has some poor man's doubling going on?












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26530 Posts
 Posted 05/21/2020  02:11 am  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Carbon spots or corrosion maybe?
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
Machine Doubling Tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
Die Deterioration Doubling Tutorial. http://goccf.com/t/336470
Split Plate Doubling Tutorial. http://goccf.com/t/357614
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 Posted 05/21/2020  03:26 am  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
Not what you'd expect from a mint set.
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 Posted 05/21/2020  09:20 am  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Some sort of foreign substance on the coin?
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 Posted 05/21/2020  10:06 am  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Such 'staining' is not common on mint sets, but not unknown either. Spots created through some form of environmental agent--perhaps introduced prior to packaging.

Uncirculated mint sets--in original packaging--can be fun. Some year sets are known for interesting toning too--1975-76 sets in particular.
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67 Posts
 Posted 05/21/2020  3:50 pm  Show Profile   Bookmark this reply Add almostpennylane to your friends list Get a Link to this Reply
This one was from an unopened eBay lot mint set, but I suppose they could have switched out and resealed with heat? Or perhaps was just a freak toning. Or weird storing with a micro-tear somewhere.
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