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PVC Damage? posted by Eagles-R-it

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  • Member: Seasoned Veteran

How to tell.


Friends, hate to pull anyone away from the current "rim" debate, but I just bought a very nice 1984 Olympics 3 coin set. The S minted coin has some green area's on it and am trying to determine if it is PVC damage. I have been around the coin world only a short time, and have read some on it and viewed the NCS video etc. But, I am still not sure exactly what this damage is and can it successfully be removed without then making the coin "cleaned". This is a very very nice coin and I would have sent it in for grading except for the green area's. I hate to send it in to NCS only to find it is not repairable. Plus, I don't have five to send in and pay the larger fee. I have sat around some conversations on this topic, and the arguments back and forth are insightful, but I have never really fully understood the PVC damage thing. This coin appears to have been stored in the OGP as it is pristine. Are there "home remedies" for removing this green glob creature?


Enclosed is the best I can do photo wise.



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PVC residue leaches out of vinyl plastics as a sticky liquid and attaches itself to coins. It reacts with certain base metals and forms a corrosive acid, eating holes into the surface of some coins over time.


These spots may or may not be PVC, but they closely resemble it. A few quick rinses in denatured alcohol or acetone can sometimes remove small PVC spots. If not familiar with conservation, it is best to consult a professional, and not attempt it yourself.


A coin is designated "improperly cleaned" when it sustains surface damage as a result of a cleaning, not because of the mere act of cleaning.


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