Penny 1990 D ? Error? - Coin Community Forum

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Author	Replies: 5 / Views: 4,182
VEGASBOBBY New Member United States 3 Posts	Posted 05/29/2016 6:32 pm Penny 1990 D - can someone tell me what is going on with this coin ? Report this Post to the Staff

MontCollector Pillar of the Community United States 2403 Posts	Posted 05/29/2016 6:45 pm 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 Report this Post to the Staff
Buddy Rest in Peace United States 7075 Posts	Posted 05/29/2016 7:21 pm I think that's the result of an over-used die; late die state. Wait for confirmation. Report this Post to the Staff
VEGASBOBBY New Member United States 3 Posts	Posted 05/30/2016 12:31 am 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, Report this Post to the Staff
VEGASBOBBY New Member United States 3 Posts	Posted 05/30/2016 12:35 am I found this coin two days ago....... I put in the collection. Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 05/30/2016 3:18 pm You have it correct. Split plating that happened during the strike. (probably caused by too much strike pressure) Report this Post to the Staff
	Replies: 5 / Views: 4,182

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