Centering55/45 or better on the front. 70/30 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.
EdgesModerate wear along edges with moderate chipping/tiny nicks. Some fraying is visible, but the edges remain mostly intact.
SurfacePerfect surface under normal inspection. Any tiny imperfections are barely visible even under magnification.