Centering55/45 or better on the front. 70/30 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.
EdgesLight to moderate wear along the edges. Chipping & nicks are visible upon inspection, but edges are still generally clean with light to moderate wear.
SurfaceNear-perfect surface with only the tiniest imperfections visible under close inspection. Surface appears clean and free of noticeable marks.