CenteringCentering is perfect in both the left-to-right and top-to-bottom axes, with no perceptible deviation from center on any side.
CornersAll four corners are sharp and structurally intact, with no whitening, fraying, soft bending, or wear of any kind.
EdgesAll four edges are clean and smooth, with no nicks, chips, roughness, or surface lifting present along any edge.
SurfaceBoth the front and reverse surfaces are free of scratches, print defects, creases, dents, staining, and print-line breaks.