Centering85/15 or better on the front. 90/10 or better on the back.
CornersRounding & mild wear on corners. Mild imperfections & nicks are visible by the naked eye. Some softness at the tips but no significant damage.
EdgesLight to moderate chipping, wear, & minor nicks visible under inspection. Edges remain generally clean and intact.
SurfaceVery clean surface with no visible scratches or marks under normal inspection. Only tiny imperfections visible under magnification.