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1989 D Over D & Mad LMC

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United States
208 Posts
 Posted 12/07/2019  4:06 pm Show Profile   Bookmark this topic Add Quin36 to your friends list Get a Link to this Message Number of Subscribers

1989-D-Over-D-&-Mad-LMC
1989-D-Over-D-&-Mad-LMC
1989-D-Over-D-&-Mad-LMC
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Spence's Avatar
United States
34430 Posts
 Posted 12/07/2019  4:07 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@quin, I don't think that is an RPM. Rather it looks to me like the underlying zinc core is starting to deteriorate and is pushing up the copper plating around the mintmark. This process often starts when the coin has split plate doubling.
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nfine's Avatar
United States
3475 Posts
 Posted 12/07/2019  6:36 pm  Show Profile   Bookmark this reply Add nfine to your friends list Get a Link to this Reply
with Spence.
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Daves Errors's Avatar
United States
1566 Posts
 Posted 12/07/2019  7:15 pm  Show Profile   Bookmark this reply Add Daves Errors to your friends list Get a Link to this Reply
Zinc Rot split plate doubling spender.
Edited by Daves Errors
12/07/2019 7:40 pm
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Coinfrog's Avatar
United States
94367 Posts
 Posted 12/07/2019  7:25 pm  Show Profile   Bookmark this reply Add Coinfrog to your friends list Get a Link to this Reply
I would agree.
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