b'65168 169168C 7 - 14 August 1934 (AAMC.396) Round Australia cover carried from Adelaide to Adelaide aboardMy Hildegarde and signed by the pilot, James Melrose. Melrose flew eastward and concluded hisjourney in the record time of seven days. [only 6 covers prepared by Eustis were flown on the round trip].[NB. This is the cover illustrated in AAMC at p.72].Provenance: Lucien Toutounji. $1,5001,750169C October 1934 (AAMC.433) England - Australia MacRobertson Air Race cover carried by the winning entry DH66 Comet Grosvenor House in a total elapsed time of 71 hours and signed by both pilots CWA Scott and Tom Campbell Black on the back. Posted back to England with 6d Kookaburra, 3d Airmail x2 and 2d Victorian Centenary tied REGISTERED/24OC34/MELBOURNE d/s with blue R label alongside, fine condition, Cat $1,250. [100 flown; illustrated in AAMC at page 75]; John Cress similar example sold for $1,525]. .$9001,20017017020-31 October 1934 (AAMC.441) MacRobertson Air Race cover, flown and signed by M.Hansen together with his co-pilot D. Jensen. (110 flown). .$300350171171C 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. $400500'