b'36223C United States: 1936-39 selection sent by ship across Atlantic to join with Imperial Airways west-east service, mostly 49c rate (52c from West Coast including USA internal airmail surcharge), including attractive franking compositions, some with indications of ship engaged, includes one each of registered, Express delivery and perfin (RWC/CO), a few ancillary markings, very early Melbourne censor handstamp (departed USA Aug 23 1939), etc, odd fault, generally fine, very useful lot for specialist. (25) $400500224C Yugoslavia: 1939-40 censored covers to NSW from Bribir and Novi Sad franked 21d50 for UPU 3d rate plus airmail 18d50 surcharge per 10gms, Sydney Censor tapes/handstamps, earlier backstamped two Yugoslav towns (one unclear, other Zemun) and Athens, later (roughly opened) Zemun and Sydney. Censored mail this origin/destination very scarce. (2) .$200250225225C Yugoslavia: 1940 (Mar 11) registered cover from Belgrade to Sydney from Nesztel correspondence, franked 25d50 for UPU 3d rate, plus airmail surcharge 17d50 per 10gms plus 5d registration, backstamped Zemun, Athens, Sydney, Rose Bay, trifle soiled, attractive. $150200Mail Involved in Incidents or Interruptions in transit to Australasia226226C Aug. 21 1936 roughly opened cover London-Melbourne, participant in the famed Desert incident,where Horsa on Aug 29, during Imperial Airways service flight IE473 (departed Aug.22), overshot Bahrain Aerodrome by 100kms at night, a consequence of the airfield lights not having been switched on, the pilots becoming lost and making a forced-landing in the desert, at Salwa Wells. The aircraft was found 40 hours later, and mail and passengers were flown out by RAF Mail to connect with IE474-75, the service delayed five days. Melbourne backstamp (blurred) Sep.14. Only two covers from this major incident believed recorded to Australia. Sanford: 360809. [The Perry example realized $3495 in 2013]. $2,0002,500'