Centering60/40 or better on the front. 80/20 or better on the back.
CornersExtremely rounded, heavily damaged corners with severe fraying and visible paper loss. Corners are missing small pieces & exhibit folds and deep creases.
EdgesMajor chipping or scuffing along most edges with visible damage. The edges may be frayed, and there may be small tears or pieces missing.
SurfaceExtensive damage including deep creases, heavy scratches/micro-scratches, stains, and surface residue.