Centering55/45 or better on the front. 60/40 or better on the back.
CornersModerate wear on corners, with fraying & chipping. Corners are noticeably played, but have good structural integrity.
EdgesModerate imperfections such as nicks & light chipping. Edges show wear & fraying but are generally clean and intact.
SurfacePerfect surface under normal inspection. Any tiny imperfections are barely visible even under magnification.