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1982 Large Date Zinc Cent

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United States
319 Posts
 Posted 12/01/2024  7:51 pm Show Profile   Bookmark this topic Add Gigi2 to your friends list Get a Link to this Message Number of Subscribers
This coin has thin layers that are lifting and "flaking" off, so I wiped it with Q-tip and MS 70 and put it into a flip. I think it is a D mintmark; however you can see that the area where the date should be has fallen away The reverse looks very different and there is a loose piece on the Memorial -top right. Now to my questions. Is this an annealing issue? A lamination issue? Or are those 2 issues the same? Does anyone collect coins with this kind of issue or does it ruin a coin completely?
1982-Large-Date-Zinc-Cent
1982-Large-Date-Zinc-Cent
1982-Large-Date-Zinc-Cent
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Coinfrog's Avatar
United States
94367 Posts
 Posted 12/01/2024  7:53 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
Probably the nastiest burst zinc bubble I've ever seen. Should be a hall-of-fame for these. Your new Zincoln showing its stuff.
Edited by Coinfrog
12/01/2024 7:56 pm
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ijn1944's Avatar
United States
19130 Posts
 Posted 12/01/2024  8:10 pm  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Split plating with the mint mark led to a nasty case of zinc rot. Reverse may be suffering from zinc issues immediately under what appears to be 'disturbed' plating.
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Marv65's Avatar
United States
10492 Posts
 Posted 12/01/2024  8:11 pm  Show Profile   Bookmark this reply Add Marv65 to your friends list Get a Link to this Reply
Self destructing Zincoln. Plating bubbles with damage. Your cent is crazy looking - I'd throw it right in the garbage. Look it up - breathing zinc is toxic to people - that is why the zinc planchets are coated in copper. But the copper splits and the zinc is exposed to oxidation.
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Errers and Varietys's Avatar
United States
73848 Posts
 Posted 12/01/2024  8:12 pm  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
A burst zinc bubble and zinc rot. Just a spender, since it's PMD and not an error.
Errers and Varietys.
Edited by Errers and Varietys
12/01/2024 8:13 pm
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United States
4135 Posts
 Posted 12/01/2024  8:29 pm  Show Profile   Bookmark this reply Add oddguy to your friends list Get a Link to this Reply
Zombie coin.
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Tacc's Avatar
United States
3535 Posts
 Posted 12/01/2024  8:38 pm  Show Profile   Bookmark this reply Add Tacc to your friends list Get a Link to this Reply
"Oil that is, Black Gold, Texas Tea" actually zinc rot that is.
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Seeker_101's Avatar
United States
1791 Posts
 Posted 12/01/2024  8:57 pm  Show Profile   Bookmark this reply Add Seeker_101 to your friends list Get a Link to this Reply
@ Marve: Metal Fume Fever isn't so bad. I had it once after turning a copper alloy - yes copper does cause it as well. Think of it as a mild Flu. The only difference is no high fever and a coppery metallic taste in your mouth. Recovery is a couple of days away from the fumes. Other materials such as aluminum, nickel, and beryllium are much more concerning. All MSDS from when I was a machinist are in my medical file.

By the way, zinc is the main ingredient in Zicam.
Edited by Seeker_101
12/01/2024 9:03 pm
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jfeed's Avatar
United States
1259 Posts
 Posted 12/01/2024  9:13 pm  Show Profile   Bookmark this reply Add jfeed to your friends list Get a Link to this Reply
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Greasy Fingers's Avatar
United States
7008 Posts
 Posted 12/01/2024  11:11 pm  Show Profile   Bookmark this reply Add Greasy Fingers to your friends list Get a Link to this Reply

Quote:
I'd throw it right in the garbage
or that least spend it


Quote:
and put it into a flip
now as far as the flip goes

Quote:
I'd throw it right in the garbage.
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Dearborn's Avatar
United States
95200 Posts
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colonialjohn's Avatar
United States
1757 Posts
 Posted 12/02/2024  09:32 am  Show Profile   Bookmark this reply Add colonialjohn to your friends list Get a Link to this Reply
Dezincification refers to the process where zinc is removed from a coin, often due to chemical reactions or corrosion. For late Lincoln Cents (minted from 1982 to 2008), which are made of zinc-coated copper (99.2% Zn, 0.08%Cu), dezincification can cause the coin to lose its copper layer, revealing the underlying zinc. This can give the coin a silvery appearance and may affect its value, especially if the plating is missing entirely.
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jbuck's Avatar
United States
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