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.
EdgesLight edge wear with light chipping & small nicks visible with the naked eye & under magnification. The edges are clean with no major imperfections.
SurfaceVery clean surface with no visible scratches or marks under normal inspection. Only tiny imperfections visible under magnification.