1941 Wheat . Is this an error coin?

[MindHunter]

.

 

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[l.cutler]

Not an error, just something on the coin, glue, solder or something!

 

[Diggin-N-Dumps]

Not an error, just something on the coin, glue, solder or something!

I think this is true..i have a buff nickel that had something like that on the back and i was told it came off a belt..

 

[Emperor Findus Cladius]

110% post mint damage

 

[jrc79inNC]

I would agree it sure looks like its post mint. It reminds me of some of the stuff that would never come off of buried Ancient Romans after you wash them out in water.