Centering55/45 or better on the front. 60/40 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.
EdgesHeavy chipping and fraying on all edges. Visible wear with minor tears or creases along the edges.
SurfaceExtensive damage including deep creases, heavy scratches/micro-scratches, stains, and surface residue.