The spine may have a couple of very small stress lines that break color. Mint 10 to 9.9. Heavy defacing with paints, varnishes, glues, oil, indelible markers or dyes, etc. They may have severe strains or heavy cover abrasions to the point where cover inks are gone.
The "Wonder Woman (2006) # 22 (9.0-VFNM) 2008" product would be a great fit for comic book collectors or fans of the superhero genre, who are looking to add a rare and highly sought-after issue.
