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Hey John...

U

Uncle Willy

New member
Was going through my foreign coins and came across these. I have more. Notice the 1921 Canadian penny and the British 1921 penny. I've got to figure out how to get the black gunk off that one as it is in excellent or better condition. Kind of blurry. Will try again.

Bill
 
I soak the copper coins in hydrogen peroxide. It removes a lot of that gunk. Those old style pennies are well sought after up here. Thanks for showing them Bill. :)
 
[quote John-Edmonton]I soak the copper coins in hydrogen peroxide. It removes a lot of that gunk. Those old style pennies are well sought after up here. Thanks for showing them Bill. :)[/quote]I'd like to try that with some US coins. How long do you soak them. Thanks in advance.
 
usually 24 hours does a good job. you can fast track it by heating the hydrogen peroxide first, then adding the coin(s). the liquid will immediately start boiling. Don't let the coins touch each other though.
 
n/t
 
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