Ok yes don't stress--we are here to help.
As others have stated, the most likely explanation is that your coin is just corroded and has a passing resemblance to that error coin you posted. I was thinking that if you left this nickel in an acetone bath, the surface color would change back and you would see that there is actually not a copper layer.
If you use the search function on the top left of your screen, you can see multiple threads talking about acetone and some of the precautions that you would need to take.
As others have stated, the most likely explanation is that your coin is just corroded and has a passing resemblance to that error coin you posted. I was thinking that if you left this nickel in an acetone bath, the surface color would change back and you would see that there is actually not a copper layer.
If you use the search function on the top left of your screen, you can see multiple threads talking about acetone and some of the precautions that you would need to take.
"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz





















