1940-45 airmails to Australia comprising 1940 registered at 3.05s rate with 'SERVICIO AEREO TRANS- PACIFICO' cachet on face, Miami, San Francisco & Hawaii transits & Sydney arrival b/s showing four weeks' transit. 1942 at 2.45s rate; then 1943-45 registered x6 - four with 'SERVICIO AEREO NOR- ATLANTICO' cachets - and transits indicating airmail carriage via Miami to San Francisco, Hawaii or onwards, the majority censored in both US & Australia, condition variable but mostly fine. (Image1)