AUSTRALIAN FLIGHT COVERS: 1919 special postcard carried on flight from Adelaide to Minalton, piloted by Harry Butler (AU 6 1919) scarce: Estimate £100-£150 (Image)

AUSTRALIAN FLIGHT COVERS: 1920 Ross Smith first flight cover, flown on a Vickers Vimy from England to Australia, with “First Aerial Post” label tied by one of two oval "First Aerial Mail -Received -26 FEB 1920 - Great Britain to Australia" handstamps. Also, three-line handstamp "per/Vickers 'Vimy' Aeroplane/ to Australia" in blue. Addressed to Oxford, England and signed by Smith, RPS cert. (1974), superb, exhibition quality: Estimate £3000-£4000 (Image)

AUSTRALIAN FLIGHT COVERS: 1929 three Brisbane to Charleville first flight covers (AP 17 1929 and AP 21 1929) with special label, also black on red "BY AIR MAIL / See Western Queensland" labels, all signed by pilot P. H. Moody, one taxed with added postage due, two with “Forwarded by Air Mail” handstamps, attractive covers: Estimate £200-£300 (Image)

AUSTRALIAN FLIGHT COVERS: 1930-34 seven flight covers carried by pilot H. B. Hussey: Adelaide to Melbourne (MR 14 1930). Perth to Onslow (OC 2 1934), Daly Waters to Perth (OC 9 1934) etc. fine (7): Estimate £100-£150 (Image)

AUSTRALIAN FLIGHT COVERS: 1930-50 Balance of Qantas flight cover collection with pilot signatures: Unique cover carried on Lancastrian service which beat the England – Australia speed record set by Scott and Black (MY 30 1945). Lancastrian mail service airletter with scarce red cachet (JY 1 1945). Experimental Flight from Sydney to Singapore (OC 4 1945) etc., interesting lot, (19): Estimate £500-£600 (Image)

AUSTRALIAN FLIGHT COVERS: 1930-40 Papua New Guinea flight covers, better included: Morlae Airlines Ltd., Port Moresby to Wau, pair of SG 113 (JY 19 1930, pilot signed). Pacific Aerial Transport, Upper Purari River to Wau, (JA 24 1933, pilot signed, 8 flown). Australia to New Guinea, (AU 8 1935, pilot signed, 12 flown). Adelaide to New Guinea, (MY 23 1939, pilot signed, 5 flown). Melbourne to Wau, (JY 31 1939, pilot signed), a scarce group (14): Estimate £800-£1000 (Image)

AUSTRALIAN FLIGHT COVERS: Collection of G. U. Allan flight covers: five attractive flight covers including from the 1931 first and second experimental air mail flights to England, Christmas greetings from Australia etc. (5): Estimate £150-£200 (Image)

AUSTRALIAN FLIGHT COVERS: Balance of C Kingsford Smith flight cover collection: Southern Cross third crossing to New Zealand (JA 15 1931), Rome to Darwin (JA 19 1932, 12 flown), 20th Anniversary of 1919 flight (DE 10 1939), with additional postcards and photographs, good lot specialist (13 covers): Estimate £700-£900 (Image)

AUSTRALIAN FLIGHT COVERS: 1932 Australia to New Caledonia flown by French aviator Baron Charles de Verneilh, signed, only 8 flown, (AP 5 1932): Estimate £150-£200 (Image)

AUSTRALIAN FLIGHT COVERS: 1932 pair of Hans Bertram covers from his round the world attempt in a Junkers seaplane, including an exceptional one that was carried from Melbourne to Darwin, then onward to Germany only to enter the mail stream five years later. The London and Melbourne cancels on reverse (DE 8 1937 and DE 23 1937) attest to this. Second cover Sydney to Brisbane with postage due on reverse, one of only 24 flown. Scarce pair: Estimate £200-£300 (Image)

AUSTRALIAN FLIGHT COVERS: 1932-40 Balance of flight cover collection, includes: 1932 Brisbane to Sydney signed by C. W. A. Scott (6 flown), 1938 Melbourne to Sydney, Airlines of Australia Ltd. on Junkers 86 aircraft, (pilot signed, 12 flown), good lot for specialist, (17): Estimate £400-£500 (Image)

AUSTRALIAN FLIGHT COVERS: 1933 Derby, Australia to Karachi carried by C.T.P. Ulm on an attempt to fly to the USA which ended in near disaster in Ireland, signed, Derby cds (JU 22 1933), also other marks from Rangoon, Calcutta and Karachi, attractive.: Estimate £100-£150 (Image)

AUSTRALIAN FLIGHT COVERS: 1933 Zurich to Australia flight by Carl Nauer who died in crash on return flight, carried on the Darwin to Brisbane leg, signed, 12 flown: Estimate £200-£300 (Image)

AUSTRALIAN FLIGHT COVERS: 1933 Carried on three flights by C.T.P. Ulm in the Avro X “Faith in Australia”, signed by all pilots, with handwritten table detailing the places and dates, first flight was to England, second the return leg and the final from Australia to New Zealand. Festooned with cancels and stamps from Persia, Australia and New Zealand, very attractive: Estimate £200-£300 (Image)

AUSTRALIAN FLIGHT COVERS: 1933 Gerringong Beach, N.S.W to New Zealand, signed by Kingsford-Smith (JA 11 1933, 10 flown), scarce: Estimate £300-£400 (Image)

AUSTRALIAN FLIGHT COVERS: 1933 hand-painted cover by E. Crome for Kingsford-Smith's New Zealand to Australia flight, signed by entire crew, (MR 26 33, 50 flown), attractive: Estimate £300-£400 (Image)

AUSTRALIAN FLIGHT COVERS: 1933 pair of flight covers from Kingsford-Smith's record-breaking England to Australia flight, both signed and posted on arrival at Melbourne (OC 20 1933), attractive: Estimate £300-£400 (Image)

AUSTRALIAN FLIGHT COVERS: 1933-34 nine “Faith in Australia” souvenir cards with insets of the pilots all signed by C.T.P. Ulm, including: Australia to New Zealand, black and red cachets (SE 4 1933). Card flown on the previous flight and the Cairns to Sydney section of the 1934 flight from Papua New Guinea, with violet 1933 cachets etc. (9): Estimate £400-£600 (Image)

AUSTRALIAN FLIGHT COVERS: 1933-37 seven “Faith in Australia” souvenir cards with insets of the pilots all signed by C.T.P. Ulm, all used on additional flights: Special flight with Duke of Gloucester from Sydney to Coffs Harbour (NO 28 1934, 50 flown). Sydney to Papakura (NO 13 1934). Sydney to Athens, Greece (DE 1934), Hong Kong to San Francisco (Pan Am 1937). Sydney to Port Moresby, Papua (1937, 6 flown), etc. (7): Estimate £400-£600 (Image)

AUSTRALIAN FLIGHT COVERS: 1933-40 nine “Faith in Australia” souvenir cards with insets of the pilots all signed by C.T.P. Ulm with additional flights: Sydney to Madras (DE 1934). Sydney to Auckland by Teal flying boat (MY 1940). Auckland to Hawaii (JY 1940). Auckland to San Francisco (JY 1940) etc. (9): Estimate £500-£700 (Image)

AUSTRALIAN FLIGHT COVERS: 1934 MacRobertson Air Race cover carried by Hansen and Jenson in a Desoutter MK II plane. One of 110 flown and signed by Hansen: Estimate £100-£150 (Image)

AUSTRALIAN FLIGHT COVERS: 1934 MacRobertson Air Race cover carried by Brook and Lay in a Miles Falcon plane, due to mishaps failed to finish on time, arrived Darwin after 26 days, signed by Brooks on face, fine: Estimate £100-£150 (Image)

AUSTRALIAN FLIGHT COVERS: 1934-41 twelve flight covers carried and signed by pilot Keith Virtue who worked for Northern Air Services, ANA and Airlines of Australia etc., including New England Airways, Narromine to Sydney (DE 21 1934, 47 flown), Grafton to Sydney (MY 24 1933, 20 flown): Estimate £100-£150 (Image)

AUSTRALIAN FLIGHT COVERS: Collection of F. C. Elliot-Wilson flight covers: First air mail from Australia to South Africa (DE 8 1934), another similar but additional first flight from Cootamundra to Charleville (Butler Air Transport), De Ar South Africa to India (8 flown), etc. (4): Estimate £100-£150 (Image)

AUSTRALIAN FLIGHT COVERS: 1934 signed flight cover carried by S.G. White on his London to Australia flight in a DH60 Gipsy Moth, less than eight covers are thought to exist. 1936 Melbourne to Dutch East Indies signed flight cover carried by W.D. Rous and H.J. van Beckman and mailed at Wyndham (OC 30 1936, 2 flown), (2): Estimate £100-£150 (Image)