1949 - 1990, to number of a major listing complete mint never hinged collection in five clean KABE illustrated albums, as well naturally the issues heads II, German-Chinese friendship, Karl Marx souvenir sheets (4 different) etc., further official stamps A with Michel-no. 1 / 15, 29 / 33y, official stamps B 6 / 9, 16 / 31 without no. 25, official stamps D with Michel-no. 1A as well official stamps E with Michel-no. 1, clean quality collection.