Sheets of Stamps yielded Many Errors & Flaws. Spots, Retouches, Scratches, Colour Variations & Shifts, Phosphor Bands Shifts, missing phosphor, imperforates etc.
Some of the Newly Discovered (ND) Flaws in Definitive stamp sheets are shown Below:
R14 S10 White Spot under Necklace Cyl 46
5p R9 S10 White scratch rear of bust cyl 7
6p Dark Diaganol Scratch under nose cyl 11
Stamps have 4 types of flaws on them according to MBPC:
V - Large Visible flaw seen by the naked eye.
B - Small but readily seen
C - Very small which are seen with a magnifying Glass up to 10x
D - Minor flaws and specks