1930 (23 May) Argentina, Graf Zeppelin airship airmail cover from Buenos Aires to Los Angeles, Flight to South America 'Recife - Lakehurst' (Sieger 63 B + 63 F, CV $100) (Image)

1930 (121 May) Argentina, Graf Zeppelin airship airmail cover from Buenos Aires - Friedrichshafen, 1st Pan-American flight 'Recife - Friedrichshafen' (Sieger 63 B, CV $90) (Image)

1932 (29 Aug) Argentina, Graf Zeppelin airship airmail cover from Buenos Aires to Lorch, Flight to South America 'Recife - Friedrichshafen' (Sieger 173 B) (Image)

1934 (29 Jul) Argentina, Graf Zeppelin airship airmail cover from Buenos Aires to Pernambuco (Brazil), Flight to South America 'Buenos Aires - Rio de Janeiro' (Sieger 256) (Image)

1934 (29 Oct) Argentina, Graf Zeppelin airship airmail cover from Buenos Aires to Cottbus, Flight to South America 'Recife - Friedrichshafen' (Sieger 284 A) (Image)

1930 (24 May) Brazil, Graf Zeppelin airship airmail cover from Pernambuco to Bahia, 1st flight to South America 'Recife - Rio de Janeiro' (Image)

1932 (25 Mar) Brazil, Graf Zeppelin airship airmail cover from Pernambuco to Wurttemberg, Flight to South America 'Recife - Friedrichshafen' (Sieger 139 A) (Image)

1932 (22 Apr) Brazil, Graf Zeppelin airship airmail postcard from Pernambuco to Wurttemberg, Flight to South America 'Recife - Friedrichshafen' (Sieger 151 B, CV $35) (Image)

1932 (2 Sep) Brazil, Graf Zeppelin airship airmail cover from Pernambuco - Friedrichshafen, Flight to South America 'Recife - Friedrichshafen' (Sieger 172) (Image)

1932 (30 Sep) Brazil, Graf Zeppelin airship airmail cover from Recife - Friedrichshafen, Flight to South America 'Recife - Friedrichshafen' (Sieger 184) (Image)

1932 (30 Sep) Brazil, Graf Zeppelin airship airmail cover from Recife - Friedrichshafen, Flight to South America 'Recife - Friedrichshafen' (Sieger 178) (Image)

1932 (15 Oct) Brazil, Graf Zeppelin airship airmail cover from Recife - Friedrichshafen, Flight to South America 'Recife - Friedrichshafen' (Sieger 190) (Image)

1933 (7 Jul) Brazil, Graf Zeppelin airship airmail cover from Rio de Janeiro - Skelmanthorpe, Flight to South America 'Rio de Janeiro - Friedrichshafen' (Sieger 220 A) (Image)

1933 (7 Jul) Brazil, Graf Zeppelin airship airmail cover from Sao Paulo - Leipzig, Flight to South America 'Recife - Friedrichshafen' (Sieger 233 A) (Image)

1933 (8 Jul) Brazil, Graf Zeppelin airship airmail cover from Pernambuco to Wermelskirchen, Flight to South America 'Recife - Sevilla - Friedrichshafen' (Sieger 223 A) (Image)

1933 (16 Oct) Brazil, Graf Zeppelin airship airmail cover from Sao Paulo to Leipzig, Flight to South America and Chicago 'Rio de Janeiro - Friedrichshafen' (Sieger 239 B) (Image)

1933 (19 Oct) Brazil, Graf Zeppelin airship airmail cover from Rio de Janeiro to Bridgwater, Pan-American flight 'Rio de Janeiro - Friedrichshafen' (Sieger 239 Eb, CV $85) (Image)

1933 (21 Oct) Brazil, Graf Zeppelin airship airmail cover from Recife to Newark, Pan-American flight 'Recife - Miami' (Sieger 239 A) (Image)

1933 (21 Oct) Brazil, Graf Zeppelin airship airmail cover from Rio de Janeiro to New York (United States), Pan-American flight 'Recife - Chicago' (Sieger 239 A) (Image)

1934 (12 Jun) Brazil, Graf Zeppelin airship airmail cover from Pernambuco to Frankfurt, Flight to South America 'Recife - Friedrichshafen' (Sieger 252 A) (Image)

1934 (28 Jun) Brazil, Graf Zeppelin airship airmail cover from Rio de Janeiro to Buenos Aires, Flight to South America 'Rio de Janeiro - Buenos Aires' (Sieger 255 A) (Image)

1934 (27 Jul) Brazil, Graf Zeppelin airship airmail cover from Pernambuco to Davos (Switzerland), Flight to South America 'Recife - Friedrichshafen' (Sieger 261 A) (Image)

1934 (24 Aug) Brazil, Graf Zeppelin airship airmail cover from Pernambuco to Davos (Switzerland), Flight to South America 'Recife - Sevilla - Friedrichshafen' (Sieger 269 A) (Image)

1934 (26 Aug) Brazil, Graf Zeppelin airship airmail cover from Limeira to Leipzig, Flight to South America 'Recife - Sevilla - Friedrichshafen' (Sieger 227 A) (Image)

1934 (15 Oct) Brazil, Graf Zeppelin airship airmail cover from Sao Paulo to Leipzig, Flight to South America 'Rio de Janeiro - Friedrichshafen' (Sieger 281 A) (Image)