The spine may have a couple of very small stress lines that break color. Incomplete 0.3 to 0.1. 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 (2016) # 53 (9.0-VFNM) Aztek, Artemis 2018 would be an excellent choice for comic book collectors seeking to add to their limited series collections.
