Centering55/45 or better on the front. 60/40 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.
EdgesClean edges with minimal wear. Minor imperfections such as nicks & light chipping are visible by the naked eye and under magnification.
SurfaceAbsolutely perfect surface with no flaws, scratches, or marks. The surface is pristine under all forms of inspection.