What is the correct name for this error?

I know this isn't a serious error or anything, but a customer asked me what the correct name was for the error? Any help appreciated!
Strike threw?
Lamination?
Struck on defective planchet?
I don't know for sure, shoot maybe it's not even an error.
1
Comments
I would say lamination, but I'm not the one that would definitively know the answer.
Jim
When a man who is honestly mistaken hears the truth, he will either quit being mistaken or cease to be honest....Abraham Lincoln
Patriotism is supporting your country all the time, and your government when it deserves it.
Maybe a strike through, but as worn as that one is maybe just something that happened over the course of its long life.
I would go with peeled lamination because of what I see on the front of the nose
I would also call that a lamination, it can be difficult to differentiate from a strike through when the coin is that worn.
Sean Reynolds
"Keep in mind that most of what passes as numismatic information is no more than tested opinion at best, and marketing blather at worst. However, I try to choose my words carefully, since I know that you guys are always watching." - Joe O'Connor
Lamination, unfortunately, no extra value because of the condition of the coin.
Lamination/delamination most likely, but as others have said it is very worn.
Were it not for the sharp area by the nose I am not sure I'd have bothered to venture a guess due to the wear.
Could be a strike thru or planchet flaw. Straight on in focus pics are more helpful, both sides. Peace Roy
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Looks like a lamination error. I guess once detached, it's almost the same in appearance to a strike through unless there are visible planchet impurities. On a worn coin, you might be able to tell the difference between a lamination and strike-thru by weighing the coin if the defect in question is as big as is shown on the OP coin.
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lamination (it should be called delamination, but isn't)
Detached Lamination.
Worry is the interest you pay on a debt you may not owe.
It is an error in the lamination not and an error in the delamination.
Yes the coin delaminated
I would have to say it a peeled lamination.
The excellent pictures allow the visual detail at the bridge of the nose to indicate a delamination. Cheers, RickO
a lamination, jmo