6 Pfg numerals black blue green, perforated L 11 (officially experimental perforation), unit to 18 values from left margin of sheet, as well plate flaw V and VIII always on a value, mint never hinged - partly fingerprints, new abridged certificate Dr. Jasch BPP (2017), Michel 4.140.- (free of premium for The Persuaders! Plate flaw) - with respect to the fingerprints please examine!