b'73842 846842C 18 July 1935 (AAMC.514a) Mascot - Sydney Last flight of the Southern Cross cover with special vignette and signed by Hubert Wilkins (the former owner of the plane) and Charles Kingsford Smith; very few exist.Additionally, flown 18 July 1985, the 50th Anniversary, on a helicopter flight from Mascot to Richmond; one of only 8, signed by the pilot, dick Smith and all others onboard. [see reverse of cover]. .$500750843C The Last Flight of the Southern Cross 18 July 1935 (AAMC.515) a cover (#30) carried from Mascot to Richmond, with special vignette showing the route the aeroplane had followed around the world; signed by Charles Kingsford Smith, Mary Kingsford Smith, P.G. Taylor, John Stannage and all other personnel on board. $8001,000844P THE LAST FLIGHT OF THE SOUTHERN CROSS: A complete IMPERFORATE proof sheetlet of four of the round-the-world-route-map vignettes designed by Ernest Crome. (AAMC: 516f).Provenance: From the estate of Ernest Crome. $400500845C 2 August 1935 (AAMC.520a) Sydney - Tennant Creek flown cover, carried and signed by the pilot, J. Chapman on a Survey Flight for Australian Transcontinental Airways. [Believed to be one of 6 flown to each port-of-call.] . $120150846C 29 April - 4 May 1936 (AAMC.601) Adelaide - Cootamundra cover, flown and signed by C.J. Jimmy Melrose in his Heston Phoenix Billings on a Goodwill Flight to the eastern states in association with the South Australian Centenary. The three covers to Cootamundra, together with three covers addressed to Sydney, were the last covers carried by Melrose before he died in the crash of his aircraft, near Melbourne on 5 July 1936. Melrose was the youngest, and only solo flier to finish the Melbourne Centenary Air Race in 1934. He was only 22 years old when he died. $500750847C 22 May 1936 (AAMC.602h & i) Mt. Isa - Townsville, and return, Airlines of Australia Ltd cacheted covers carried on their first survey flights over this route. (2 covers). Rarely seen. .$150200848C October-November 1936: In association with her solo record flight from England to New Zealand (AAMC.639-41), Jean Batten signed and dated a cover commemorating her election as an Honorary Member of the Air Mail Society of N.Z. on 25 November 1936. $150200849 850849C 17 March 1937 (AAMC.709) Sydney - Townsville - Sydney flown cover, signed by the pilots involved in the search for the Airlines of Australia Stinson aircraft, which had crashed at Lamington Plateau; Frank Neale, the pilot of the D.H. Dragonfly, has also signed the cover, one of only 6 that he carried. $300500850C April-May 1937 (AAMC.714k) Brisbane - New Delhi Coronation Day flown cover, with special handstamps, and signed (verso) by the solo-pilot, Mrs. H.B. (Lores) Bonney. .$200250'