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 Replies: 11 / Views: 3,384 |
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New Member
United States
23 Posts |
My coin has raised bumps all over it, anybody have any ideas on what's going on here? Thanks for any help.   |
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Bedrock of the Community
United States
17884 Posts |
Plating blisters, gas bubbles under the copper plating.
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Pillar of the Community
United States
2376 Posts |
It's a plating issue of the copper plating over the zink core.
Or it could be goosebumps. I hear it's cold in Denver!
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New Member
 United States
23 Posts |
Thanks for the help, just thought it was kinda different. Definitely explains it
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New Member
United States
23 Posts |
Lol, I thought he had the measles or something
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Pillar of the Community
United States
2376 Posts |
Nah, the D is for Denver not Disney
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Bedrock of the Community
United States
62064 Posts |
It received a poor rinse before it was plated. This was a problem with the 80's zincolns for a time, but it still happens. To me it is a deal breaker to buy a variety with this on the plating. Resale would probably be nil in the future.
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Pillar of the Community
United States
3463 Posts |
Just to be safe, you should probably keep it away from your other coins until you find out if it's contagious or not. This was caused by problems with the plating process and is most common on cents minted in the 1980's, but can be found on any cent minted after 1982 when Copper plating was first used. Gas bubbles would become trapped beneath the Copper plating and cause these raised areas. They seem to be more common on cents from the Denver mint. Solid-alloy cents minted in 1982 and earlier can have occluded gas bubbles caused from heat generated when a planchet is struck. The expanding gas pushes a layer of metal towards the surface of the coin, resulting in a raised area or bubble. Occluded gas bubbles are much rarer than the blistered plating found on newer cents. http://www.lincolncentsonline.com/m...laneous.html |
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New Member
United States
23 Posts |
Selling wasn't even considered, but will make a great gift for my 6 year old son. He's becoming a collector slowly, calls some of his coins legendary already. He's got the enthusiasm, just have to keep that going now. I'll keep Abe in quarantine lol. Thanks guys, always learning new things. I have been lurking for a while now
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Pillar of the Community
United States
1414 Posts |
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Pillar of the Community
United States
3463 Posts |
It appears that it already has some green on it. You should get that off before you put it in a holder or it will continue to destroy the coin.
I would probably try soaking it in some Acetone, but before you do anything you should wait and see what others say.
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Pillar of the Community
United States
5964 Posts |
 to the forum Salty707. I have enlarged your coin and studied it microscopically. After a thorough evaluation, I have been able to reach only one conclusion. Your whole penny has a severe case of shingles. If I am incorrect about that, then surely it's a bad case of plating bubbles. |
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Replies: 11 / Views: 3,384 |
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Posted 06/17/2015 12:35 pm
