Grease coins?

[sheepdog_tx]

Sorry for the blurry picture. Its a 2005 quarter, pristine on one side, smooth worn look on the flipside with a big gash down to the copper on the other.

 

[sagittarius98]

Well, the gash is just damage, without better pics, no one can answer your question.

 

[vor]

Was it covered with a petroleum film