Centering55/45 or better on the front. 60/40 or better on the back.
CornersPerfect corners with no signs of wear, nicks, or softening. The corners appear flawless under all forms of inspection and are as sharp as possible.
EdgesEdges have almost no signs of fraying, chipping, and nicks. Under magnification, multiple flaws are visible, but not significant.
SurfaceVery clean surface with no visible scratches or marks under normal inspection. Only tiny imperfections visible under magnification.