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

1995 D Quarter. Huh Is This? It Looks Like A Blister!

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Author	Topic
Brice0113 New Member United States 14 Posts	Posted 07/11/2018 12:23 pm Very cool stuff. I came across this quarter that looks like it has a blister. Its definitely not a die chip or PMD. I have never seen this before so I believe it to be a very rare mint error. Has anyone else ever seen this before? What causes it? Thanks for your help everyone! Report this Post to the Staff

Adam_E Pillar of the Community United States 3942 Posts	Posted 07/11/2018 12:32 pm Its been exposed to heat, probably a torch or soldering iron. since copper has a lower melting point than nickel, it melted within the clad layer, and the weakened nickel "gave way" and warped. At least thats the most likely way for me to see that happenening. Either way, It is PMD. Edited by Adam_E 07/11/2018 12:38 pm Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 20453 Posts	Posted 07/11/2018 12:34 pm Just Post Strike Damage (it happened after it left the U.S. Mint). It was exposed to heat, causing the metal to bubble. Worth face value. More information about Die Deterioration? http://goccf.com/t/317950 Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961 1988 P LMC RDV-006, 1998 P LMC Wide AM, and 2000 P LMC Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900 1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624 Machine Doubling tutorial. http://goccf.com/t/332421 Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638 Die Deterioration Doubling Tutorial. http://goccf.com/t/336470 Report this Post to the Staff
Halo1st Pillar of the Community United States 2080 Posts	Posted 07/11/2018 5:50 pm Clad coins with trapped gas subjected to a heat source (after strike) can expand the clad layers and exhibit bubble formations. Did this one split the edge apart? Thanks, Doug. Second opinions are always recommended. Rookies thoughts! Two sides to every coin. The edge makes three. Side Note: Sometimes I feel like a nut, sometimes I don't. Report this Post to the Staff
Brice0113 New Member United States 14 Posts	Posted 07/12/2018 09:03 am Thanks all. Doug, no the edge is not split at all and xray showed no air pocket so thats why I thought it was a mint error. Thanks for cleaaring that up. Report this Post to the Staff
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