Centering55/45 or better on the front. 60/40 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 edge wear with light chipping & small nicks visible with the naked eye & under magnification. The edges are clean with no major imperfections.
SurfacePerfect surface under normal inspection. Any tiny imperfections are barely visible even under magnification.