Centering55/45 or better on the front. 60/40 or better on the back.
CornersModerate wear on corners, with fraying & chipping. Noticeable by the naked eye and more pronounced under magnification.
EdgesModerate wear along edges with moderate chipping/tiny nicks. Some fraying is visible, but the edges remain mostly intact.
SurfaceLight surface wear with scratches & small marks visible under inspection. No significant staining, discoloration, or surface damage.