Discussion in 'Error Coins' started by James Gordon, Apr 14, 2021.
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Congrats on your 6th best answer today I could've said it,better than EASY TO SCREW YOU.
Idk about toning, lol. More like blue corrosion?
That's verdigris. It forms on copper. Painters centuries ago would let it form then scrape it off to make paint from that color. I was horsing around, Matthew, didn't mean to be taken seriously, that's what that meant at the end...
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