Centering55/45 or better on the front. 70/30 or better on the back.
CornersCorners are mostly sharp with very slight wear at the tips. Imperfections are barely noticeable without magnification.
EdgesEdges have very minimal nicks, fraying, & chipping. Not noticeable upon quick inspection, but after thorough evaluation it is slightly visible.
SurfaceNear-perfect surface with only the tiniest imperfections visible under close inspection. Surface appears clean and free of noticeable marks.