2021 Kennedy Half Dollar Obverse Lamination/Bubble Error

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Author	Replies: 18 / Views: 369	Page: of 2
CKcollectibles2 Valued Member United States 66 Posts	Posted 07/15/2026 6:36 pm I recently found this coin while coin roll hunting. I do not claim to be an expert on error coins, but this doesn't look like any PMD that I have ever seen. My best guess is some type of lamination/bubble error. I would appreciate any opinions you all might have! Report this Post to the Staff

Errers and Varietys Bedrock of the Community United States 75598 Posts	Posted 07/15/2026 6:53 pm Maybe a bubble caused by heat? Just my opinion. I'm not definite. Errers and Varietys. Report this Post to the Staff
CKcollectibles2 Valued Member United States 66 Posts	Posted 07/15/2026 7:04 pm Would you say caused by heat after minting? so PMD? Report this Post to the Staff
ijn1944 Bedrock of the Community United States 19288 Posts	Posted 07/15/2026 8:39 pm Now that's an interesting feature. Report this Post to the Staff
halfamind Pillar of the Community United States 1510 Posts	Posted 07/15/2026 9:48 pm Very interesting. Struck through something? Report this Post to the Staff
HondoB Bedrock of the Community United States 25923 Posts	Posted 07/15/2026 10:19 pm That's very strange, CKcollectibles2. It seems that we don't see laminations on clad coins, so the most likely explanation is heat bubbling. But your coin does not have the usual "burnt" appearance of the campfire coins we see so often here. Can you get a picture of the edge where the anomaly intersects it? Inordinately fascinated by bits of metal with strange markings and figures Report this Post to the Staff
jbuck Moderator United States 190660 Posts	Posted 07/16/2026 09:48 am Very interesting. Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
Chase007 Pillar of the Community United States 7527 Posts	Posted 07/16/2026 10:03 am There's no discoloration evident so that rulls out the heat damage. Report this Post to the Staff
Dearborn Moderator United States 99460 Posts	Posted 07/16/2026 11:29 am I agree with Chase, but have no idea how it occurred. Collecting since 1972. Learning from then on "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Benjamin Franklin 7070 type set coin count: 51/76 Uncirculated American Silver Eagles My American Silver Eagle Proof Collection Sacagawea Dollars Innovation Dollars Eisenhower-Dollars Kennedy-Half Dollars Washington-Quarters Roosevelt-Dimes Buffalo-Nickels 1938-2005 Jefferson-Nickels Lincoln-Cents Report this Post to the Staff
Errers and Varietys Bedrock of the Community United States 75598 Posts	Posted 07/16/2026 12:04 pm My only other thought is could it be a Lamination issue? I'm out of ideas of what it might be. It's very unusual. Errers and Varietys. Report this Post to the Staff
CKcollectibles2 Valued Member United States 66 Posts	Posted 07/16/2026 2:01 pm The edge of the coin looks exactly the same all the way around. Like Chase said there is no discoloration whatsoever. Report this Post to the Staff
snailking1 Pillar of the Community United States 1499 Posts	Posted 07/16/2026 3:23 pm Just trying to come up with some crazy possibility: How about some form of an extreme counter clash? Report this Post to the Staff
ijn1944 Bedrock of the Community United States 19288 Posts	Posted 07/16/2026 4:28 pm Perhaps an issue with the obverse die? Report this Post to the Staff
CKcollectibles2 Valued Member United States 66 Posts	Posted 07/16/2026 11:23 pm I posted the coin on my ebay store with a starting bid of $20. Here is a link if you want to follow/bid on the auction. Thank you for all of the possible ideas https://www.ebay.com/itm/206420337665 Report this Post to the Staff
Greasy Fingers Pillar of the Community United States 7138 Posts	Posted Yesterday 12:35 am Wondering, can it be depressed? Something between the clad plating and copper core that existed prior to being a blank (maybe a substance used at the manufacturer) then once the planchet was struck the heat caused the "substance" to expand. That's all I got'......... Report this Post to the Staff
mikediamond Pillar of the Community United States 2742 Posts	Posted Yesterday 5:20 pm I would agree with those who've concluded that this is an occluded gas bubble. I suspect that the bubble developed within the clad layer, thereby making this a relative of an internally split clad layer. Error coin writer and researcher. Report this Post to the Staff
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