CGC / CBCS
CGC Grades Explained: What Each Number Means and Why It Moves Price
CGC grades run from 0.5 to 10.0 and describe the physical condition of a comic as judged by a third-party grader, who then seals the book in a tamper-evident holder. A higher number means fewer and smaller defects, and because collectors pay for condition, the grade is one of the biggest factors in what a book sells for.
Updated Oct 11, 2026