Centering65/35 or better on the front. 80/20 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.
EdgesClean edges with minimal wear. Minor imperfections such as nicks & light chipping are visible by the naked eye and under magnification.
SurfaceNear-perfect surface with only the tiniest imperfections visible under close inspection. Surface appears clean and free of noticeable marks.