2264
Air Mail cover 1929-36 flight covers (12) and cards (5), all carried by either the "Graf Zeppelin" or "Hindenburg", and including 1931 (26 July) card and cover bearing "Polar Flight" 2m. and 4m. respectively, both bearing "Malyguin" ice-breaker cachets, 1933 "Chicagofahrt" 1m. and 2m. (2) on individual 1933 (2) and 1934 flight covers; various other frankings including unoverprinted Zeppelin 1m. and 4m. values, 1936 Olympics, etc.; numerous types of cachets, transit markings noted.

細節
Air Mail cover 1929-36 flight covers (12) and cards (5), all carried by either the "Graf Zeppelin" or "Hindenburg", and including 1931 (26 July) card and cover bearing "Polar Flight" 2m. and 4m. respectively, both bearing "Malyguin" ice-breaker cachets, 1933 "Chicagofahrt" 1m. and 2m. (2) on individual 1933 (2) and 1934 flight covers; various other frankings including unoverprinted Zeppelin 1m. and 4m. values, 1936 Olympics, etc.; numerous types of cachets, transit markings noted.