Grading guarantees the quality of the item. All grading is done by the top in comics: Certified Guaranty Company. For collectors, this a great way to know the investment you are making is in the shape you are expecting - no surprises. For gift givers, a prized possession for them is the quality you know they want. For those investing in comics, grading is the way to establish value today and monitor reliably tomorrow. Grades are awarded in a range from 0.1 (worst) to 10.0 (ultra rare to see: perfect quality).