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

1989 LMC What Would Cause This ?

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Gutkowski
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 Posted 06/15/2010  08:52 am Show Profile   Bookmark this topic Add Gutkowski to your friends list Get a Link to this Message Number of Subscribers
What would cause this to happen ?
1989-LMC-What-Would-Cause-This-?
MorgansRmine
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 Posted 06/15/2010  09:33 am  Show Profile   Bookmark this reply Add MorgansRmine to your friends list Get a Link to this Reply
As the coin is struck, a split in the plating is created above the letters. This allows air and moisture under the plating. As the interior oxidizes gas pushes up the copper plating.
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biokemist6
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 Posted 06/15/2010  11:29 am  Show Profile   Bookmark this reply Add biokemist6 to your friends list Get a Link to this Reply
Split plating, one of the reasons why so many Zincolns just rot away
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All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins



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