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All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins

1986 LMC Chicken Pox

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Author Previous TopicReplies: 3 / Views: 1,224Next Topic  
MSI2
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 Posted 05/27/2017  1:14 pm Show Profile   Bookmark this topic Add MSI2 to your friends list Get a Link to this Message Number of Subscribers
Found this today. IS the "chicken pox" appearance due to trapped air?

1986-LMC-Chicken-Pox

1986-LMC-Chicken-Pox

1986-LMC-Chicken-Pox

1986-LMC-Chicken-Pox

1986-LMC-Chicken-Pox
durkastani
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 Posted 05/27/2017  1:18 pm  Show Profile   Bookmark this reply Add durkastani to your friends list Get a Link to this Reply
zinc bubbling is my guess
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Finn235
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 Posted 05/27/2017  1:41 pm  Show Profile   Bookmark this reply Add Finn235 to your friends list Get a Link to this Reply
I don't pretend to know the chemistry, but it is the zinc reacting with the copper coating, AKA "zinc bubbling". Supposedly it will eventually destroy the coin.
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MSI2
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 Posted 05/27/2017  1:43 pm  Show Profile   Bookmark this reply Add MSI2 to your friends list Get a Link to this Reply
I thank you both for the helpful information. Enjoy your Memorial Day Weekend.
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All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins



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