Centering70/30 or better on the front. 85/15 or better on the back.
CornersClean and sharp corners with almost no visible wear. Tiny imperfections such as minuscule nicks & softening are present under magnification.
EdgesLight to moderate wear along the edges. Chipping & nicks are visible upon inspection, but edges are still generally clean with light to moderate wear.
SurfaceVery clean surface with only the slightest signs of wear. Light scratches, tiny marks, & print lines are visible under close inspection.