Centering70/30 or better on the front. 85/15 or better on the back.
CornersClean corners with minor visible wear & softening. Tiny nicks are visible upon close inspection and more noticeable under magnification.
EdgesLight to moderate chipping, wear, & minor nicks visible under inspection. Edges remain generally clean and intact.
SurfaceVery clean surface with no visible scratches or marks under normal inspection. Only tiny imperfections visible under magnification.