Planchet Error? Specifics On This 1986 D Kennedy .50?

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Author	Replies: 15 / Views: 2,451
DoubledGuy New Member United States 18 Posts	Posted 12/03/2015 3:31 pm I've found a decent number of Roosevelt dimes that are missing clad layer(20 ish) and I believe I have around 10 Kennedy 50 cent piece missing clad coin but haven't dug them out to weigh and ecanine in well over a decade back when I began this new direction in collecting. I've had this coin for many years now but never looked too deeply into what caused it's neat appearance and I just rediscovered it while moving things around(between filing cabinet and wall but hard cased) and was wanting to know if anyone knew exactly what all happened to it. Really not possible that it's a missing clad layer as it weighs is what I bridge is in the mints' tolerance. Weighs 11.11g so it's only .23 off. Is iy an annealing error? Thanks for your time and expertise. Report this Post to the Staff

John1 Moderator United States 56855 Posts	Posted 12/03/2015 3:45 pm Post pics of the missing clad layer. Chances are it is not missing the clad layer but looks that way because of being buried in the ground. John1 Report this Post to the Staff
DoubledGuy New Member United States 18 Posts	Posted 12/03/2015 5:05 pm I'll try to remember to grab a few pics to post when I get home. I've sent a few in for grading and just to authenticate and I'm batting 1000 so far so I fairly sure they are missing clear coins. Several look much better and aren't darker while several could be mistaken for unearthed coins. The decent to good detail coupled with weight being being correct for missing layer(s). Did you have anything to actually add to the questions of this post? Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 12/03/2015 6:04 pm Quote: Did you have anything to actually add to the questions of this post? Not really. It looks a little grainy,maybe some kind of acid damage? John1 Report this Post to the Staff
Numisma Pillar of the Community United States 4963 Posts	Posted 12/03/2015 7:34 pm The title is incorrect, a mod may want to change that. I agree that it was probably just buried. Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 12/04/2015 05:19 am Just noticed the coin does not match the title,good eye Numisma. John1 Report this Post to the Staff
Numisma Pillar of the Community United States 4963 Posts	Posted 12/04/2015 08:33 am I wasn't looking at the date at first, I just saw that the rims were nowhere near as wide as what I usually see on 71-D halves. Report this Post to the Staff
Conder101 Bedrock of the Community United States 17884 Posts	Posted 12/04/2015 1:51 pm I would expect a missing clad layer half dollar to weigh around 8.5 grams. 11.11 gm is well within specs for a normal coin (10.88 to 11.79 grams) Report this Post to the Staff
tweak800 Pillar of the Community United States 1249 Posts	Posted 12/04/2015 6:34 pm I would be curious to see the edge of the coin. Is that possible? I was thinking maybe buried, or not just dirty, then cleaned with acid of sorts and not completely dried when it was set down so the reverse sat with it touching only a small area where it decided to flow. An acid bath while it removed dirt would take away some material giving it the .2 gram difference and also would leave it porous looking like it is . Also make the strike look weaker because of the loss of material which looks to be the c ASE Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 12/05/2015 07:39 am DoubledGuy, When you post pics of the missing clad layer coins please include the slab label also,would like to read what the TPG said. John1 Report this Post to the Staff
coop Bedrock of the Community United States 62064 Posts	Posted 12/05/2015 1:06 pm If it is missing the clad layer, it should be red in color and lighter in weight showing weakness in the design: I'm not see any of that on the OP's coin. Coins found outdoors will change color, but they are not missing the cladding: If a coin is missing cladding, then the higher devices will not show silver color at all when the coin is circulated for a time. Report this Post to the Staff
Biedercoins Pillar of the Community United States 1606 Posts	Posted 12/05/2015 1:48 pm I just stumbled on to this thread and checked it out because of the title "Planchet error..." and then the OP says, Quote: Really not possible that it's a missing clad layer as it weighs ... And all of a sudden the thread turns into a discussion about missing clads. What did I miss? If there are similarly colored coins that have been seen by a TPG, we should definitely hear what they've said. When I've come across coins that have been in the ground, they are usually brownish in color to my eye. This one looks green to me [although as Bobby reminded me just the other day, color isn't reliable online because lighting can make a big difference in perception of a coin]. So, what generally happens to clad coinage when it spends time underground? Anybody have observations regarding coloration of such coins, how long it takes for the color to change, or any other variables that could further the discussion? And what about the planchet of this Kennedy? As always, coop, nice illustrations! And DoubledGuy, in case no one has said it, to the Coin Community Family Edited by Biedercoins 12/05/2015 2:33 pm Report this Post to the Staff
John1 Moderator United States 56855 Posts	Posted 12/07/2015 04:48 am Looks like DoubledGuy went on vay-cay? John1 Report this Post to the Staff
Biedercoins Pillar of the Community United States 1606 Posts	Posted 12/07/2015 08:49 am Or didn't like our comments. What's your experience with buried stuff? I'm thinking of taking a random extra mint set and doing some experimenting. Report this Post to the Staff
OcalaFlorida Pillar of the Community United States 2824 Posts	Posted 12/07/2015 09:51 am I think the op was asking if it was improperly annealed and had already voided out missing clad from his own experiences. below is Improperly Annealed Planchet (Sintered Planchet)-PCGS note that you can still see the mint luster. And the coin is still smooth to shape. The color also goes all the way through the whole coins. In the OP coin it looks to have those little dots you get with acid damage or a buried coin(does not looked buried). Maybe once dropped in soda or rain, environmental, etc and clean off Improperly Annealed Planchet examples I kept of varied environmental damage example of improperly annealed next to environmentally damaged coins Report this Post to the Staff
Biedercoins Pillar of the Community United States 1606 Posts	Posted 12/07/2015 11:42 am QED OcalaMan! That's the way to post! Seriously, you've answered my questions. That'll be a permanent bookmark for me, thank you very much. Report this Post to the Staff
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