Centering60/40 or better on the front. 80/20 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 edge wear with light chipping & small nicks visible with the naked eye & under magnification. The edges are clean with no major imperfections.
SurfaceHeavy wear with visible scratches, surface scuffing, and minor creases. Staining & discoloration is evident.