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Penny 1990 D ? Error?

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VEGASBOBBY's Avatar
United States
3 Posts
 Posted 05/29/2016  6:32 pm Show Profile   Bookmark this topic Add VEGASBOBBY to your friends list Get a Link to this Message Number of Subscribers
Penny 1990 D - can someone tell me what is going on
with this coin ?

Penny-1990-D-?-Error?
Penny-1990-D-?-Error?
Penny-1990-D-?-Error?
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MontCollector's Avatar
United States
2403 Posts
 Posted 05/29/2016  6:45 pm  Show Profile   Bookmark this reply Add MontCollector to your friends list Get a Link to this Reply
to CCF!

Not sure what the marks are. I have a few LMCs that have same marks. Interested in seeing what the forum has to say.
Edited by MontCollector
05/29/2016 6:46 pm
Rest in Peace
Buddy's Avatar
United States
7075 Posts
 Posted 05/29/2016  7:21 pm  Show Profile   Bookmark this reply Add Buddy to your friends list Get a Link to this Reply
I think that's the result of an over-used die; late die state.

Wait for confirmation.
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VEGASBOBBY's Avatar
United States
3 Posts
 Posted 05/30/2016  12:31 am  Show Profile   Bookmark this reply Add VEGASBOBBY to your friends list Get a Link to this Reply
Found this

Split Plate Doubling (Split Line Doubling): This occurs only on copper-plated zinc cents struck from mid 1982 to the present. During the striking of plated cents, the plating is stretched in order to form the raised design elements. Whenever relief is created from a flat surface, there must be expansion of the overall surface area, thereby putting stress on the plating. Sometimes, the plating will split on the rim-side of the devices, exposing the zinc core. The exposure will be in the same shape as the design elements, thereby creating a "doubling" effect. The exposed zinc is blue-ish in color. In addition to the examples shown below,
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VEGASBOBBY's Avatar
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3 Posts
 Posted 05/30/2016  12:35 am  Show Profile   Bookmark this reply Add VEGASBOBBY to your friends list Get a Link to this Reply
I found this coin two days ago....... I put in the collection.
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coop's Avatar
United States
62064 Posts
 Posted 05/30/2016  3:18 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
You have it correct. Split plating that happened during the strike. (probably caused by too much strike pressure)
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