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.
EdgesEdges have almost no signs of fraying, chipping, and nicks. Under magnification, multiple flaws are visible, but not significant.
SurfaceVery clean surface with only the slightest signs of wear. Light scratches, tiny marks, & print lines are visible under close inspection.