Centering70/30 or better on the front. 85/15 or better on the back.
CornersClean corners with minor visible wear & softening. Tiny nicks are visible upon close inspection and more noticeable under magnification.
EdgesEdges have very minimal nicks, fraying, & chipping. Not noticeable upon quick inspection, but after thorough evaluation it is slightly visible.
SurfaceClean surface with minimal imperfections. Tiny scratches, light handling marks, and minor print lines are visible under magnification.