Error on Quarter

[samish]

Found this in pocket change. I have no idea of the cause. I would be interest in any info. thanks

 

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[DAS7NY]

Looks like someone beat a nail into it, just my opinion.

 

[samish]

wwhen i fiirst saw it thats what i thought too, but its swollen on both sides. looks like their is extra metal

 

[FingerGrime]

Maybe someone touched it with a really hot soldering iron.

 

[Emperor Findus Cladius]

Post mint damage. It had gotten super heated at some time (house fire, someone using a torch, who knows?) and a gas bubble formed inside the coin. You can still see much of the dark residue from the heating.

 

[XX]

Post mint damage. It had gotten super heated at some time (house fire, someone using a torch, who knows?) and a gas bubble formed inside the coin. You can still see much of the dark residue from the heating.

Man, I'm just following in Wayne1956's footsteps.

Yep, that's a cooked coin. The bubble forms between the layers. Remember that the cupronickel and copper layers are cold pressed together by force.