Centering55/45 or better on the front. 60/40 or better on the back.
CornersCorners show minimal wear, with slight softening & tiny nicks visible upon close inspection. No major rounding or chipping.
EdgesClean edges with minimal wear. Minor imperfections such as nicks & light chipping are visible by the naked eye and under magnification.
SurfaceVery clean surface with no visible scratches or marks under normal inspection. Only tiny imperfections visible under magnification.