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Coin Tarnish

Postby vanj510 » Sun Dec 09, 2007 8:37 pm

Can please tell me how long it will take for a coin to tarnish?

Van M

Former Expert
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Joined: Tue Sep 18, 2007 3:27 pm
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Postby staryl13 » Sun Dec 09, 2007 8:52 pm

Hi Van
It really depends on the coin. If it is a copper coin, this link is pretty helpful- ... 31pg3.html
If you tell us more information about your project, we might be able to help you more, thanks!
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