1851 - 1920, unused and cancelled collection, as well numerous good cancelled values like Michel no. 5 I expertized Heinrich BPP, 15 expertized Buehler, 19 used (2), 21 used, 24 used expertized Buehler, 29 used expertized Thoma BPP and 34 used expertized Irtenkauf BPP, many expertized, nice and rich collection on stock pages