1930 - 1945, mainly cancelled and partly about unused / mint never hinged stamps supplemented collection in a stockbook, as well South America flight (2), Polar travel (2), Chicago flight (3), charity souvenir sheet Nothilfe as cancelled commercially used item with photo certificate Schlegel BPP, Ostropa souvenir sheet with special cancel photo expertize Dr. Oechsner BPP "perfect", Michel number 909 / 10 U mint never hinged, in the supplement still official stamps.