Centering55/45 or better on the front. 60/40 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.
EdgesNear-perfect edges with no visible imperfections under normal inspection. Only the slightest signs of wear may be visible under magnification.
SurfaceHeavy wear with visible scratches, surface scuffing, and minor creases. Staining & discoloration is evident.