1851 - 1920, unused / mint never hinged and cancelled, mixed led, collection, except for few values complete, with many good values like Michel no. 5 used, 11 used (2), 15 used expertized Heinrich BPP, 16 y used (2), 18 y used (3) and 18 Practice used expertized Irtenkauf BPP, 19 y used (2), 20 y used, 21 used expertized Irtenkauf BPP, 28 used (8), 29 used, 34 used expertized Heinrich BPP and 35 used (2), many values expertized, mixed quality, rich collection on safe preprinted pages