Sieger 57N 1930 SOUTH AMERIKAFAHRT 1. Letter from Fredrichshafen to Philadelphia - Lakehurst 18.5 franked with special stamps 4M vertical pair and 2M (Sieger 57N). Arrival on reverse. Signed F.Longhi and Attest. Sorani (1990)

Sieger 57N 1930 SOUTH AMERIKAFAHRT 1. Letter from Fredrichshafen to Philadelphia - Lakehurst 18.5 franked with special stamps 4M vertical pair and 2M (Sieger 57N). Arrival on reverse. Signed F.Longhi and Attest. Sorani (1990)

Sieger 119H 1931 POLARFAHRT. Letter from board 25/7 to Switzerland with 2RM Zeppelin in high quality single franking, flight stamp in red and arrival special cancellation 27/VII/31 "Malyguin" (Sieger 119H)

Sieger 119H 1931 POLARFAHRT. Letter from board 25/7 to Switzerland with 2RM Zeppelin in high quality single franking, flight stamp in red and arrival special cancellation 27/VII/31 "Malyguin" (Sieger 119H)

Sieger 119F 1931 POLARFAHRT. Letter from Fredrichshafen 24/7 with 4RM Zeppelin in high quality single franking, flight stamp in red and arrival special cancellation 27/VII/31 "Malyguin" (Sieger 119F)

Sieger 119F 1931 POLARFAHRT. Letter from Fredrichshafen 24/7 with 4RM Zeppelin in high quality single franking, flight stamp in red and arrival special cancellation 27/VII/31 "Malyguin" (Sieger 119F)

Sieger 119C 1931 POLARFAHRT. Postcard L127, board mail 27/7 with 2RM Zeppelin single franking, flight stamp in red and arrival special cancellation 27/VII/31 "Malyguin" (Sieger 119C)

Sieger 119C 1931 POLARFAHRT. Postcard L127, board mail 27/7 with 2RM Zeppelin single franking, flight stamp in red and arrival special cancellation 27/VII/31 "Malyguin" (Sieger 119C)

1933 ITALIENFAHRT. NAPLES INTERNSHIP. Postcard with on board chachet 29/5/33 and special postmark and arrival datestamp "POSTA AEREA ZEPPELIN - NAPOLI"

1933 ITALIENFAHRT. NAPLES INTERNSHIP. Postcard with on board chachet 29/5/33 and special postmark and arrival datestamp "POSTA AEREA ZEPPELIN - NAPOLI"

1933 ITALIENFAHRT. LIVORNO INTERNSHIP. Postcard with on board cachet 29/5/33 and special postmark and arrival date stamp "Livorno correspondence 29.5.33"

1933 ITALIENFAHRT. LIVORNO INTERNSHIP. Postcard with on board cachet 29/5/33 and special postmark and arrival date stamp "Livorno correspondence 29.5.33"

Sieger 238Bab 1933 SUDAMERIKA-CHICAGOFAHRT. Board letter 10/16/33 stage Miami with 2RM Zeppelin franking, flight stamp in red and arrival in Miami (10/23/33) on reverse (Sieger 238Bab)

Sieger 238Bab 1933 SUDAMERIKA-CHICAGOFAHRT. Board letter 10/16/33 stage Miami with 2RM Zeppelin franking, flight stamp in red and arrival in Miami (10/23/33) on reverse (Sieger 238Bab)

1933 SUDAMERIKA-CHICAGOFAHRT. Cover from Berlin to Friedrichshafen 11/10/33 with 4RM Zeppelin franking, flight stamp in red and arrival (2/11/33) on reverse (Sieger 238E)

1933 SUDAMERIKA-CHICAGOFAHRT. Cover from Berlin to Friedrichshafen 11/10/33 with 4RM Zeppelin franking, flight stamp in red and arrival (2/11/33) on reverse (Sieger 238E)

1933 SUDAMERIKA-CHICAGOFAHRT. Letter from Frierdichshafen to Recife (Pernambuco) 14/10 with 1RM Zeppelin franking, flight stamp in red and arrival on reverse (sieger 238A)

1933 SUDAMERIKA-CHICAGOFAHRT. Letter from Frierdichshafen to Recife (Pernambuco) 14/10 with 1RM Zeppelin franking, flight stamp in red and arrival on reverse (sieger 238A)

Sieger 238Cba 1933 SUDAMERIKA-CHICAGOFAHRT. Cover from Fredrichshafen to Friedrichshafen 14/10/33 with 4RM Zeppelin franking, flight stamp in red and arrival (2/11/33) on reverse (Sieger 238Cba)

Sieger 238Cba 1933 SUDAMERIKA-CHICAGOFAHRT. Cover from Fredrichshafen to Friedrichshafen 14/10/33 with 4RM Zeppelin franking, flight stamp in red and arrival (2/11/33) on reverse (Sieger 238Cba)

1933 SUDAMERIKA-CHICAGOFAHRT. Cover from Berlin to Cleveland 10/14/33 with 1RM+2RM Zeppelin franking, flight stamp in red and arrival (10/26/33) on reverse (Sieger 238E)

1933 SUDAMERIKA-CHICAGOFAHRT. Cover from Berlin to Cleveland 10/14/33 with 1RM+2RM Zeppelin franking, flight stamp in red and arrival (10/26/33) on reverse (Sieger 238E)

Sieger 238Ca 1933 SUDAMERIKA-CHICAGOFAHRT. Board letter 29/10/33 to Spain with 1RM Zeppelin franking, flight stamp in red and arrival (Sevilla 1/11/33) on reverse (Sieger 238Ca)

Sieger 238Ca 1933 SUDAMERIKA-CHICAGOFAHRT. Board letter 29/10/33 to Spain with 1RM Zeppelin franking, flight stamp in red and arrival (Sevilla 1/11/33) on reverse (Sieger 238Ca)