Centering55/45 or better on the front. 70/30 or better on the back.
CornersMinimal rounding with only light signs of handling. Light chipping & minor nicks present on corners. Corners maintain most of their original sharpness.
EdgesEdges have almost no signs of fraying, chipping, and nicks. Under magnification, multiple flaws are visible, but not significant.
SurfacePerfect surface under normal inspection. Any tiny imperfections are barely visible even under magnification.