1945 - 1972, in the main numbers always complete mint never hinged / unused led collection on old preprinted pages, as well accordingly Potschta, souvenir sheet 1, souvenir sheet 2, souvenir sheet 4, souvenir sheet 5, souvenir sheet 5 S, souvenir sheet 6, German-Chinese friendship, Karl Marx souvenir sheets and so on, in addition to it twice Karl Marx booklet