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

1993 D Lincoln (Lmc) Possible Doubling On Mint ?

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Mocoinhound79
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 Posted 09/28/2018  7:51 pm Show Profile   Bookmark this topic Add Mocoinhound79 to your friends list Get a Link to this Message Number of Subscribers
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Errers and Varietys
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 Posted 09/28/2018  8:19 pm  Show Profile   Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
That's called Zinc Rot corrosion, which is a form of Post Strike Damage ( PSD). It can happen, when the Copper plating breaks, exposing the Zinc core underneath. Air will reach the Zinc, and the corrosion process begins. http://www.error-ref.com/zinc-deter...ncoln-cents/
Errers and Varietys.
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Mocoinhound79
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 Posted 09/28/2018  9:16 pm  Show Profile   Bookmark this reply Add Mocoinhound79 to your friends list Get a Link to this Reply
thank you
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