Bubblicious ..............
ctf_error_coins
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Some serious Planchet Bubble Issues with the 2010 Shield cents .......
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In honor of the memory of Cpl. Michael E. Thompson
<< <i>Is that a problem with the copper plating over the zinc or is it more likely a problem with the zinc underneath the copper plating? >>
Tom, I have no idea, a better question for Mike D. All I know is in roll searching 2010 shields, I have found numerous examples of some of the worst planchet bubbles that I have seen.
Here is a cool one with a long straight Planchet Bubble, Boy do I wish this was a Die Gouge
Worry is the interest you pay on a debt you may not owe.
"Paper money eventually returns to its intrinsic value---zero."----Voltaire
"Everything you say should be true, but not everything true should be said."----Voltaire
<< <i>Copper plated zinc was known to be a problem for coinage in 1942, and was rejected. >>
I told ya!
<< <i>Having been involved with metal plating for many years, I can tell you that there could be multiple causes of that phenomenon. It would take some lab analysis to determine the root cause. Cheers, RickO >>
Un-plating metal too right
<< <i>Having been involved with metal plating for many years, I can tell you that there could be multiple causes of that phenomenon. It would take some lab analysis to determine the root cause. Cheers, RickO >>
i was a plater for a number of years as well. i agree with rick on that one as it being a number of reasons for the cause. still an interesting coin for the most part