Grading or Certifying is in general a process whereby a third-party grader (TPG) evaluates your coin and entombs it in a plastic slab. This is usually only worthwhile for coins worth in excess of $150 or so in hopes that it will increase their value.
If I could get past the carbon spot (rev.) I would buy it for 50 C or a Dollar.. That greaser would actually fit in with a collection I got going.