Centering70/30 or better on the front. 85/15 or better on the back.
CornersLight to moderate wear on corners. Slight rounding & minor chipping is visible under inspection. Corners still retain their overall sharpness with some imperfections.
EdgesLight to moderate wear along the edges. Chipping & nicks are visible upon inspection, but edges are still generally clean with light to moderate wear.
SurfaceExtensive damage including deep creases, heavy scratches/micro-scratches, stains, and surface residue.