Centering55/45 or better on the front. 60/40 or better on the back.
CornersClean and sharp corners with almost no visible wear. Tiny imperfections such as minuscule nicks & softening are present under magnification.
EdgesSevere damage, including heavy chipping, fraying, or tears along all edges. Significant paper loss and potential for large sections of the edge missing.
SurfaceExtensive damage including deep creases, heavy scratches/micro-scratches, stains, and surface residue.