1928-29 Covers sent between Australia and England by sea and flown by air mail within Australia, two covers carried on the first acceptance by the British Post Office in May 1929 for mail carried by air from Perth to Adelaide, all with an additional fee of 3d for the internal Australia air service. Also a 1927 cover from Sydney sent entirely by sea, paid 11/2d postage + 2d late fee + 3d registration, a year before registered letters supposedly came within the late fee system. (7).

1929-34 Covers flown on the Imperial Airways London to Karachi route including March 1929 first flight covers from G.B to Karachi and Karachi to G.B, December 1929 first flight from Australia (2), August 1932 first reduced postcard rate from G.B to Australia (2), 1930 registered express air mail cover from Germany to Australia, various commercial covers sent in both directions between Australia and G.B many of which have also paid for internal Australian air mail, December 1929 G.B to Delhi first flights (2, one to Ceylon), July 1933 first flights from G.B to Calcutta or Calcutta to G.B, October 1933 first flights from G.B to Rangoon or Rangoon to G.B, December 1933 first flights from G.B to Singapore or Singapore to G.B, also unused envelopes for the Calcutta, Rangoon and Singapore extensions. E146. (38).

1931 (April) Imperial Airways First Experimental Air Mail to Australia. Covers from G.B to Sydney, Melbourne, Brisbane or Singapore; Calcutta to Darwin; Singapore to Sydney (2); Darwin to Athens or G.B (4, one to Dublin); Brisbane to G.B (signed C. Kingsford Smith, Pt. Darwin - Akyab); Sydney to Singapore (signed G.U Allan) or G.B. Also a printed Imperial Airways letter sent with a first flight cover and printed Australian postal notice concerning the flight. E187/8. (18).

1931 (April/May) Second Imperial Airways Experimental Air Mail to Australia. Covers from G.B to Melbourne, Sydney, Brisbane (addressed to Fiji) or Singapore; Calcutta to Rangoon, Brisbane, Sydney (2) or Melbourne (2); Rangoon to Calcutta, also an unused Imperial Airways envelope. E192/203. (12).

1931 (April/May) KLM Holland - Australia Experimental Flight. Covers from Holland or Batavia (2) to Sydney, or from Australia to G.B (3), Switzerland, Holland or Java, and an unused KLM envelope. Also 1938 covers from Holland or Batavia (2) carried on regular KLM flight to Sydney. E194/6, 204/6, 814/5. (13).

1931 (Nov 19) First "All Australian" Air Mail. Covers flown from Hobart (2), Melbourne (7), Adelaide, Sydney (2) or Brisbane, addressed to G.B (10), India, USA or Germany; a cover from Sydney to the Postmaster at Darwin inscribed to go by the flight and franked 1/2 but endorsed "Received by ordinary air mail, special plane did not carry mails to Darwin"; and cover flown from New Zealand to connect with the Australian flight at Sydney signed by Kingsford Smith and G.U Allan. Also contemporary news cuttings (5) and an unused envelope, thirteen of the covers bearing singles or pairs of the 1931 Air Mail stamp (one pair with OS overprints). E222/a. (16+).

1932 (Jan 7) First "All Australian" Air Mail. Covers from England flown to Sydney (2, one signed by Kingsford Smith, Allan and Ulm), Melbourne (4, one to Tasmania, one signed by G.U Allan) or Adelaide, and a registered cover from Germany carried on the flight to Melbourne. E245. (8).

1934 (Dec 8) First Regular U.K - Australia Air Service. Stampless H.M Postmaster General envelope to "The Postmaster General of the Commonwealth of Australia, Secretariat, Canberra, F.C.T" with the special small 23mm "CROYDON AERODROME / CROYDON SY" c.d.s struck from a handstamp made of silver with an ivory handle, backstamped at Melbourne (Dec 22), with enclosed letter from the British Postmaster General Kingsley Wood which includes the postscript "I am sending under separate cover the silver die with which I obliterated the stamp on the envelope of this letter". Also a cover bearing six different G.B stamps to the 5d value each tied by the usual 26mm Croydon Aerodrome c.d.s., signed by Kingsley Wood in January 1935. This silver Croydon Aerodrome die (copies of which are included) was used on just eight items of V.I.P mail; it was sent to Australia but was later returned and is in the Post Office archives. These eight V.I.P letters were flown in a special silk bag. A unique cover and letter. (2). Photo on Page 78. (Image1)

1934 First U.K - Australia Air Service. Wooden mail bag tag from the first flight, a printed label pinned to one side, reading "IMPERIAL AIRWAYS TO KARACHI FREIGHT" and endorsed "Bag 89, weight 12.244 Kilos, in Transit to Australia, to be opened at Karachi"; the reverse bearing a printed "ATHENES" label endorsed "First Air Mail to Australia, Removed from bag in Brisbane, Dec. 1934, Hudson Fysh". Probably a unique survivor from this first flight.

1934 (Dec 8) First U.K - Australia Air Service. Covers from G.B to Brisbane (2), Sydney, Melbourne or Perth and a postcard to Melbourne, and covers posted en route from Laboeanhadot to Longreach or Cloncurry, Kota Bharu to Winton or Sydney, Bangkok to Brisbane (actually carried on the second flight) or Windhoek to Adelaide. Also British Post Office notice advertising the new service, 1935 leaflet "The Air Mail Grows", and contemporary news cuttings. E469. (14).

1934 (Dec 9) First Australia - U.K Air Service. Covers from Brisbane (4), Sydney (2), Darwin or Melbourne and postcards from Melbourne (2) all flown to England, one Brisbane cover addressed to Canada; covers from Melbourne (2) or Sydney all addressed to South Africa flown via Cairo; and covers flown from Melbourne to Florence, Baghdad or Rangoon, Brisbane to Athens, or Darwin to Singapore, Baghdad, Bahrain, Gaza or Cairo. Also a cover flown from Rambang to Palembang, an unused envelope, and a Photo of mail being loaded at Brisbane on the Qantas plane for Darwin which connected with the Imperial Airways plane to England. E470. (25). (Image1)

1934 (Dec 8) First U.K - Australia Air Service. Covers from Germany flown from London to Melbourne or Sydney, or from Italy to Sydney, two registered. Three scarce acceptances from Europe. E469. (3).

1936-38 Empire Rate. Covers Flown from Australia to England (12) or Malaya, or England to Australia (6) including 1936 (May) first twice weekly service covers flown in both directions and covers from England sent on the 1937 (May 2) first accelerated service, 1938 (April 10) accelerated service or June 25th first all the way flying boat service (2). (19).

1936-39 Covers flown to or from foreign countries, various rates and routes, comprising Australia to Switzerland (3), Finland (2), Germany (4), France (2), Austria, Sweden, Denmark or USA (2), or from Belgium, Switzerland or Denmark to Australia. (19).

Imperial Airways Crashes. 1935-39 Covers from Australia to Great Britain, most with all or some of the stamps washed off, all recovered from air crashes comprising 1935 (Dec 1) "City of Khartoum" cover and Sydney G.P.O explanatory slip (both torn in half and repaired, explanatory slip stained); 1936 (Aug 22) "Scipio" cover with British Officially Sealed tape and boxed "DAMAGED BY SEA / WATER" on both sides; 1937 (Nov 22) "Cygnus" crash, two covers both with one stamp remaining and others washed off, one with Officially Sealed tape and boxed "DAMAGED BY SEA / WATER", the other with violet bilingual boxed "Postage Stamp lost / in transit"; 1939 (June 8) "Centurion" crash, two covers with red "SALVAGED MAIL / EX CENTURION" (one from Lindisfarne, Tasmania, franked 5d with fine cachet, the other with stamps washed off and very poor cachet. (6).

Calpurnia Crash. 1938 (Nov 22) Cover from Oxford to Sydney franked 11/2d with Sydney Dead Letter Office ambulance envelope and enclosed letter explaining that it was damaged when the flying boat "Calpurnia" was forced down on water while crossing Iraq, the ambulance envelope and explanatory letter both with red Dead Letter Office Sydney c.d.s (Dec 17). E834.

1938 Covers and letters to Hudson Fysh, Managing Director of Qantas, comprising July 4th cover from Sydney to London carried on the first all the way flying boat service from Sydney to Southampton, and August first all-up flight covers from Australia to England, Singapore to Australia (with enclosed letter from Fergus McMaster, Qantas Chairman of Directors) or London to Sydney (2, both signed by H.B Hussey, enclosed letters from H. Burchall of Imperial Airways or A.T Penman, Managing Director of Reuters). Also a printed Imperial Airways letter sent within an all-up first flight cover. (5 covers + 4 letters).

1938 (August) All-Up Air Mail Scheme. Covers carried on the first Australia - England flight on August 2nd (3, one to South Africa), on the first flight from the newly opened Rose Bay flying boat terminal on August 4th (2, one with scarce oval cachet used on a small number of V.I.P covers only) or on the first thrice weekly flight on August 9th to England (2), or internally on the stages from Brisbane to Karumba or Gladstone, Karumba to Brisbane or Gladstone to Karumba and Townsville. Also later commercial covers to G.B (4, one registered with boxed "IRREGULARLY / POSTED", another registered with first day cancel of the Post Office at Domain Road), or to India. E820, 822b, 826/a. (16).

1938 (August) All-Up Air Mail Scheme. White papers produced by the Air Ministry and G.P.O in 1937-38 (6, all different), Empire Air Mail Scheme booklet and leaflet, and covers to Australia carried on the first flight on July 28th from G.B (11), Rangoon (2), Calcutta or Singapore. Destination for the G.B covers include Karumba, Groote Eylandt, Townsville, Adelaide and Perth. E819, 820a. (23).

1939-40 Wartime Air Mails. Covers from Australia to England franked at 1/6 per 1/2oz (5) including September 5th first flight cover carried on the flying boat "Coogee" signed by the Captain E.C Sims (E879b), or from England to Australia franked 1/3 per 1/2 oz (4), one cover from Fremantle with a naval censor cachet. (9).

1940 (May/June) Covers including cover from Sydney (May 27) carried on the last flight to England to take the route via Italy; cover from Australia to England carried on the 1st June flight from Sydney which terminated at Athens on June 10th due to the entry of Italy into the war (then flown to Alexandria and carried by sea around the Cape); and June 10th cover from England to Australia, probably flown to Lisbon, taken by sea to New York, flown to San Francisco then sent by sea. (3).

1940 (May 28) Cover from France to South Australia franked 50c, endorsed "Guinea Airways Flight, England - Australia, Departure England 29/5/40, Stage: England - Marseille" and signed by the pilot D.G Cameron. Two Lockheed Airliners flew from England to Australia via Marseille, Tunis, Malta, Alexandria, Basra, Sharjah, Karachi, Rangoon, Singapore, Batavia and Darwin in a record 63 hours flying time; 27 covers were carried, just three to Marseille. E903a, $500. Photo on Page 78. (Image1)

1940-42 Horseshoe Route. Covers flown to Cairo and down to Durban, including three first flight covers from Sydney to Durban or England to Sydney or New Zealand, other covers from Australia to England (8), G.B to Australia (2, one Express), Burma or Malaya (returned with "Air Mail fee 1s 11/2d / refunded" and "IT IS REGRETTED THAT / THIS ITEM COULD NOT BE / DELIVERED AT THE / ADDRESS STATED"). E903b/c. (15).

1937-41 Pan American Air Mails. Covers comprising 1937 (Apr 19) Australia to San Francisco first flight via Pan Am from Hong Kong; 1938 (Jan 2) second survey flight from Auckland to Hong Kong via Samoa and Hawaii (2); 1939 (Aug 28) cover from Hobart intended for the New Zealand - U.S survey flight and then to be carried around the world via G.B but never actually carried; also various covers from PAA Transatlantic flights (4), BOAC or Imperial Airways routes linking up with the PAA services, etc. E727, etc. (12).

1940 (June 12) Cover franked 4/8 from Sydney to USA endorsed "via Hong Kong Airmail Clipper" with Hong Kong transit c.d.s (July 4) and blue triangular "PASSED / CENSOR / 9 / HONG KONG", carried by Imperial Airways from Sydney to Hong Kong via Bangkok and Hanoi and then by Pan Am from Hong Kong to San Francisco via Manila. This route was only available for Australian mail in June and July 1940 when it was superseded by PAA's Auckland to San Francisco route.