Discussion in 'US Coins Forum' started by USS656, Dec 8, 2019.
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At this point I could see no harm in at least trying acetone on the coins. If this stuff is organic it should dissolve. Did this happen to other coins in the set or just these?
I agree, going to look at it tomorrow under a microscope. really seems organic but what would cause it especially on two sets from different years. That's why I am also surprised that others have not seen this before.
I don't believe you will be able to ratify that kind of damage. Even if you remove the spot the coin will show the damage it has already caused to the surface.
Likely right, would be good to remove it and stop the progression.
Well besides the FBI, this is probably the best place to get your answer. Now if that coin was involved in a crime or part of a crime scene, the FBI would solve it.
As you can see on both coins, it's not contained to one spot. It almost looks like splatter.
I would give it a soak in olive oil just to stop the oxidization. Can't really hurt it any.
I think it's value is now just silver content.
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