1932 AIRMAIL LONDON TO MONTEVIDEO URUGUAY VIA GRAF ZEPPELIN PAIR KGV 6d (SG426a). Fine envelope sent airmail via Graf Zeppelin Norwich to Montevideo, Uruguay with fine pair KGV 6d (SG426a) with 'NORWICH NORFOLK' date stamps 7 OC 32. On front two very fine Zeppelin cachets, the first in red 'LUFTSCHIFF GRAF ZEPPELIN/8.SUDAMERIKAFAHRT 1932' with image of Graf Zeppelin and two birds, the second cachet a circular one 'DEUTSCHE LUFTPOST/BERLIN-FRIEDRICHSHAFEM/Amschlussflug/zur/8.Sudamerikafahrt 1932/des Luftschiffs/Graf Zeppelin' with picture of an aeroplane. On reverse a third Zeppelin cachet in black illustrating a Zeppelin 'OCT 1932/SERVICIO AEREO/TRANSATLANTICO/VIA/CONDOR-ZEPPELIN', also 'MONTEVIDEO' date stamp OCT 15 1932. Very fine usage. (Ref 143487).