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.
EdgesNear-perfect edges with no visible imperfections under normal inspection. Only the slightest signs of wear may be visible under magnification.
SurfaceMinor scratches or surface marks. Tiny stains or slight discoloration may be visible but do not significantly impact the appearance.