1919 - 1925, mint never hinged specialized collection, to color differences and types collected with a large number at special feature, as well good values like Michel no. 110a in the strip of three with HAN, 112b, 154Ib, 159b, 174c, 254d as well 398 / 401 and 425 / 29, except for latter all named expertized Infla respectively BPP, so like many further expertized or color expertized, more or less without exception faultless condition, with also plate flaw and varieties, additional official stamps, very nice and rich collection in the stock book from collector's estate, with a lot of meticulousness compiled, Michel approximate 5.000.-