10 pfennigs numeral, watermark 1, mint never hinged, b-colour black olive, both cylinder configurations 3'7'3 / 2'9'2, position 9 and 10, on of the left stamp a manufacturing-related inclusion site in the paper, right stamp with minimal, small diagonal slight creases, otherwise perfect quality, unsigned, photo expertize Udo Fleiner BPP (2022), Michel 1.900.-