ERROR-VALUE????

[kevo]

Found this a few days ago in some pennies I had and was wondering if it has any value to it. One side is perfect, the other side looks almost smooth. The coin looks to be a 2007

 

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[goldgrubber]

Could be an error coin. I'd hold on to it for a while.

 

[gold fish]

Possibly grease in the die. If it is an error, it should be worth somethin'. I don't think it's possible to grind a zinc penny down that much(at least without hitting zinc).