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1993 D LMC Is This Zinc Rot?

 
 
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United States
186 Posts
 Posted 06/21/2018  8:18 pm Show Profile   Bookmark this topic Add vietguy823 to your friends list Get a Link to this Message
I found this Lincoln cent during CRH. I am wonder if this is what we call "zinc rot"? Thank you every one.





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 Posted 06/21/2018  8:26 pm  Show Profile   Bookmark this reply Add T-BOP to your friends list Get a Link to this Reply
Yes ,classic case .
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 Posted 06/21/2018  8:27 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
There are unplated coins:

There are partial plated coins:


There a faked unplated coins:


But your coin looks like it was altered. So I'd save it for now until we know for sure. But with so many you tube videos, I gave up trying to out guess them.

From Err-ref.com
http://www.error-ref.com/?s=partial+plating

Countdown 20
Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:http://www.traildies.com/
Edited by coop
06/21/2018 8:45 pm
Valued Member
United States
186 Posts
 Posted 06/21/2018  8:34 pm  Show Profile   Bookmark this reply Add vietguy823 to your friends list Get a Link to this Reply
@T-BOP Thanks! I have the same thought too.
@Coop Thank you very much for your info. I will do a research on the "unplated zinc planchet" that's a term for it LOL. Again, thanks for guidance me.
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24635 Posts
 Posted 06/21/2018  9:05 pm  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
I would say that it's Zinc Rot slowly starting to set in.
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
2000 P LMC With Retained Struck Through error. http://goccf.com/t/357080
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1899 Posts
 Posted 06/21/2018  10:15 pm  Show Profile   Bookmark this reply Add Mrzllewellyn to your friends list Get a Link to this Reply
My vote is environmental damage. I've pulled coins out of my cup holder that look that way.
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 Posted 06/21/2018  10:21 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
To me the reverse looks like it was heated with a cigarette lighter. (because of the dark color) But I'm not sure that would remove plating or not?

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Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:http://www.traildies.com/
Valued Member
United States
186 Posts
 Posted 06/21/2018  10:24 pm  Show Profile   Bookmark this reply Add vietguy823 to your friends list Get a Link to this Reply
Thank you every one for the reponded. In conclusion "Environmental Damage"
Valued Member
United States
186 Posts
 Posted 06/21/2018  10:25 pm  Show Profile   Bookmark this reply Add vietguy823 to your friends list Get a Link to this Reply
Like Coop said I will put it aside for now.
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