Centering55/45 or better on the front. 70/30 or better on the back.
CornersClean corners with minor visible wear & softening. Tiny nicks are visible upon close inspection and more noticeable under magnification.
EdgesPerfect edges under normal inspection. Any tiny imperfections are barely visible under close magnification. Edges are sharp and clean.
SurfaceAbsolutely perfect surface with no flaws, scratches, or marks. The surface is pristine under all forms of inspection.