Extensive collection in of 11 mostly thick great stockbooks, conditionses at the beginning of with many better issues among others German-Chinese friendship, Debria souvenir sheet 7, Karl-Marx souvenir sheet 8/9, A/B, and off approx. 1960 in both, 1949-1990 mint/mint never hinged and in addition canceled numerous se-tenant combinations, coil stamps as well as another 2 stockbooks are almost complete, integrated in the Hauptnr.s with special stamp booklets, high catalogue value