1980 roached Lincoln cent?

Did that didn't work

 

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Are you sure this one wasn’t just a few years ahead of its time?
Thanks for pointing that out. The different thicknesses made it appear that way. Also, acids generally tend to be more destructive to zinc than copper, so to see the copper get chewed up and then just discolor the zinc doesn’t seem very reasonable either.

Joy,
If the paint stripper you tried is just mineral spirits, it will likely be less effective than acetone. Try a multi-solvent based lacquer thinner. And make sure you do it outside or in a well ventilated area. If that doesn’t work, you’re still only out the penny and the cost of your solvent(s).

 

If all else fails, you can send it to a local college chemistry dept. (wait until Sep.) for a look see - the profs might turn it into a class project and report back what they determined the foreign substance to be

 

I did use lacquer thinner

 

It weights 3.0

 

Don't forget your coin has PMD. There is no error. Going through the exercise of removing the glue/plastic/crud is a good learning experience, but the bottom line is that the coin is damaged and only worth 1 cent. No need to weigh it or provide any more pics

 

Okie dokie