1948 - 1990, mint never hinged to KABE illustrated album pages with mounts complete quality collection, as well including black overprint expertized Schlegel BPP, red overprint with photo certificate Schlegel BPP genuine / perfect, green overprint and Goethe always expertized Schlegel BPP, souvenir sheet 1 with photo certificate Schlegel BPP genuine / perfect, into the bargain a few special feature, high catalog value.