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Red Stuff on Copper
rkp
Posts: 450 ✭✭✭
Hi, I'm primarily a silver guy so please forgive the novice question regarding copper. I'm looking at this large cent in a PCGS holder and it has some red stuff on it. I'm somewhat familiar with green verdigris but am not sure what this is. Is it another type of verdigris? Thanks so much for your help!
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Comments
It might be Cu2O, cuprous oxide.
RMR: 'Wer, wenn ich schriee, hörte mich denn aus der Engel Ordnungen?'
CJ: 'No one!' [Ain't no angels in the coin biz]
In any case you will need to free it from the holder
Then maybe sock it in olive oil or something like that!
You could send it to PCGS for restoration, or try it yourself, but that loses the slab. Let us know what route you choose and the results. Cheers, RickO
More than likely, some copper based reaction products from corrosion or the environment. It's probably stable, but it would be a good idea to check every so often to see if it's getting worse. If it really bothers you, sell the Coin and buy something that won't make you worry
Corrosion
Got it, ok. To be clear, this was a coin I was looking to purchase. However, clearly this has some type of issue and I should stay clear.
Thanks for help!
Corrosion.... if removed will leave pits....
The court jester does not play, but gently pulls the strings…
It looks like red stuff.
Under whatever colored crud is a different color coin surface. You can do better. Peace Roy
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