1920, mostly unused / mint never hinged and cancelled collection the overprint issue Michel-no. 10-12 including 10 F with a great many pretended overprint varieties, gutter pairs, units, colours and plate flaws as well 15 documents, many with the known old signs, but normally probably much faked (amongst other things both covers with the Michel-no. 10 F), being a compare collection good suited, all on exhibition pages