Separate Production Mistake: printers term for a deviation caused by a separate production mistake
Pair Not Separated: two hanging together separate production postage stamps not cut separated
Separate Production With Shifted Cut: deviation from the intended cut position
Separate Production Miscut: shifted cut split on multible postage stamps
Oblique Cut: separate production postage stamp with oblique cuts
Separate Production Stamp With Size Difference: larger or smaller separate production postage stamp