I would say either post mint damage or a strike-through of some type. I can't be 100% certain either way.
I have to say it's post mint damage the coin also has damge in other areas of the field and the coin looks like it has been circulated alot. Billy coinprofessor
Here what Mike D thought of the coin. all wish is was Bu http://board.conecaonline.org/showthread.php?p=8311#post8311