1932 - 1933, lot with three good issues, as well South America flight (Michel. No. 438 / 39X), Chicago travel (Michel. No. 496 / 98) and help in need souvenir sheet, all in mint never hinged however not perfect quality, the Zeppelin sets accordingly increases signed, the charity souvenir sheet with photo certificate A. Schlegel BPP (2016), Michel for ** 14.300 / * 3.400.-