1924 (June 2) Australian Aerial Services Adelaide to Sydney first flight cover franked 41/2d, signed by the pilot Frank Roberts who flew the mail to Hay where an overnight stop was made. Also three contemporary news cuttings. E71, $550. Photo on Page 92. (Image1)

1924 (June 6) Registered cover franked 1/4, carried on the Australian Aerial Services first return flight from Sydney to Adelaide, arrival backstamp (June 9) and boxed "CARD TO CALL / DATE". E72, $550. Photo on Page 92. (Image1)

1924 (June 4) Cover from Newtown to Hay, carried on the first Australian Aerial Services Sydney to Melbourne flight on June 7th as far as Hay, where the plane stopped for the night. Covers to intermediate stops are scarce. E72a, from $550. Photo on Page 96. (Image1)

1925 (July 21) Cover from Melbourne to Sydney carried by Australian Aerial Services on the first flight ofthe Melbourne to Hay link and then from Hay to Sydney, and a cover from Broken Hill to Sydney carried on the first flight from Broken Hill to Mildura and then from Mildura to Sydney, both franked 41/2d. E86/7, $600. (2).

1925 (July 21) Covers franked 41/2d carried in both directions between Sydney and Broken Hill via the first flight on the link route from Mildura to Broken Hill, or from Denliquin to Broken Hill flown on the first flight from Denliquin to Hay, on the regular route from Hay to Mildura and then the first flight of the Mildura to Broken Hill link. E83, 88, 89a, $900+. (3). Photo on Page 96. (Image1)

1925-29 Covers flown on the Melbourne to Hay route (9) or Adelaide to Sydney route, franked 41/2d or 6d, including two 1929 (May 20) First Day Covers of the 3d Air Mail stamp, the others mainly commercial, five bearing blue A.A.S "Angel" Aerial Mail labels, four with "FORWARDED / BY AIR MAIL" cachets of Adelaide (2), Echuca or Denliquin. (10).

1930 (Feb 1) Cover franked 41/2d from Bendigo to England endorsed "First Melbourne - Adelaide Air Mail 3rd February 1930", the reverse with explanatory label "The attached letter has been held here since 17/2/30, but as there is still no prospect of an Air Mail between Melbourne and Adelaide, the letter is now forwarded by ordinary mail. Ship Section, G.P.O Melbourne 11/9/31", tied by Melbourne Ship Mail Room c.d.s, unusual.

1930-43 Covers including 1930 (Feb 3-13) Echuca to Cootamundra and return first flight covers flown by Australian Aerial Services; 1936 (Mar 28) WASP Airlines Wilcannia to Sydney first flight; 1936 (Sep 14) Victorian and Interstate Airways Melbourne to Hay first flight; 1941 (Sep 29) ANA Brisbane to Melbourne first night flight; 1942 (June 29) ANA Mildura to Narranderra and Sydney to Adelaide first flights; 1943 (Oct 25) ANA first flight covers from Sydney to Kerang or Broken Hill, Broken Hill to Sydney or Kerang to Melbourne, Sydney, Mildura or Broken Hill, etc. E149b/c, 596a, 625, 923a, 946, 964, $1,045+. (18).