b'57300 301300C 20 October 1934 (AAMC.438) MacRobertson Air Race cover carried by Hewitt, Kay & Stewart and signed by C.E.Kay. . $120150301C October 1934 (AAMC.451a) MacRobertson Air Race cover flown by J.H Wright and J. Polando from Mildenhall to Abadan with large cachet signed by Wright, G.B 1d cancelled at Mildenhall Aerodrome (skeleton c.d.s, Oct. 20) and Persia 30d cancelled at Abadan, posted to Utica New York with arrival backstamp. 179 Covers flown to Abadan, but 110 of these were destroyed. Wright and Polando withdrew from the race at Calcutta due to engine trouble. .$400500302302C ** The Last Flight of the Southern Cross: 18 July 1935 (AAMC.514, 515, 516e&f) collection comprising low-numbered covers #3 and #14 each bearing an imperforate or a perforated special vignette, both covers signed by all seven personnel aboard this historic short flight from Mascot to Richmond, namely pilots Charles Kingsford Smith and P.G.Taylor, who were accompanied by Mary Kingsford Smith, John Stannage, Beau Shiel, John Ulm & C.G.Scrimgeour (radio broadcaster), the latter item with 2009 Certificate of Authenticity signed by Charles Kingsford Smith Junior; also an unnumbered cover, with perforated vignette, signed by Kingsford Smith; plus IMPERFORATE PROOF vignette sheetlet block of 4 and perforated block of 4 both with untrimmed margins. A prestigious group of items commemorating this celebrated event - Cat. $3,400. (5 items) .$2,4002,800'