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

1987/1988 MM Doubling Or Zinc Rot Shadow?

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rainman503
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 Posted 03/15/2016  02:53 am Show Profile   Bookmark this topic Add rainman503 to your friends list Get a Link to this Message Number of Subscribers
These are from a 1987 and 1988 Lincoln Cent D series.
I am hoping to get clarification or confirmation of either a MM doubling (SE direction) or zinc rot shadow that looks like doubling.


1987/1988-MM-Doubling-Or-Zinc-Rot-Shadow?

1987/1988-MM-Doubling-Or-Zinc-Rot-Shadow?
John1
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 Posted 03/15/2016  05:10 am  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
Looks like rot. Have you checked CC's site?
John1
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rainman503
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 Posted 03/15/2016  06:17 am  Show Profile   Bookmark this reply Add rainman503 to your friends list Get a Link to this Reply
Yes I have, I haven't been able to line it up with anything on there. There are similar MM doubling but not in the SE direction.
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coop
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 Posted 03/15/2016  12:57 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
I wondered if the 1987-D was a RPM. I didn't see a match on the CONECA e-disk. But I'm thinking that both coins are the result of split plating exposing the zinc and breaking down after getting oxygen for the air.
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All Forums Category: US Coins and Currency Forums Forum: US Modern Variety and Error Coins



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