Centering60/40 or better on the front. 80/20 or better on the back.
CornersCorners are mostly sharp with very slight wear at the tips. Imperfections are barely noticeable without magnification.
EdgesLight edge damage with only minor signs of wear. Small nicks & very light chipping present but are not very noticeable to the naked eye.
SurfacePerfect surface under normal inspection. Any tiny imperfections are barely visible even under magnification.