Air bubble? 2017 25 cents

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Grayskull silver
Posts: 2
Joined: Sat Feb 25, 2017 10:50 pm

Air bubble? 2017 25 cents

Post by Grayskull silver » Fri Feb 28, 2020 9:56 pm

I’ll let this one speak for itself... coin is dirty but I find it hard to believe it’s post mint damage. But if it is, how does this happen? Dryer coin?
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coinguy
Posts: 430
Joined: Tue Aug 16, 2016 10:03 am

Re: Air bubble? 2017 25 cents

Post by coinguy » Sat Feb 29, 2020 10:02 am

Hard to say for sure when you only show part of the coin but the bubble could have been caused
by heat which expanded the air between the copper and nickel.

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