1929 FFC Perth-Adelaide franked KGV 4½d die I SM wmk perf 14, tied by 'Perth 1 JUN 1929' pmk. AAMC 137 cat $25+. ACSC 119 cat $125 on cover. (Image1)

Estimate AU$100

1931 'First Experimental' return Australia- England cover franked 2d Kingsford Smith, Kangaroo 9d & 1/- (assume SM wmk), tied by 'Wentworth 21 AP 31' cds with flight cachet. To England. AAMC 188 cat $50. ACSC 28, 34 & 141 cat $378 this franking. (Image1)

Estimate AU$100

1931 Christmas Mail England-Australia cover (delayed til January) franked GB KGV 1/- & 2d (2) tied by 'London 17 DE 31' cds, Sydney b/s. AAMC 245 cat $125. (Image1)

Estimate AU$90

1934 New Zealand-Australia cover franked 7d blue Trans-Tasman Air Mail opt tied by Hataitai 23 JAN 34 cds, 'Auckland 17 DE 34' transit cds, flight cachet & Sydney b/s. AAMC 360 cat $75. Stamp SG 554 cat £45 as loose stamp & 'from x2' on cover. (Image1)

Estimate AU$70

1934 New Zealand-Australia blue printed cover franked NZ Air 7d blue opt 'Trans-Tasman Air Mail' tied by 'Auckland 17 FE 34' cds. Plus Registered blue map cover with the 2 text errors franked NZ Air set 3d-7d & 5d Surch, tied 'Auckland 26 MAR 34' cds. AAMC 360 & 367 cat $125. Stamps alone cat £100 as loose stamps & 'from x2' on cover. (2) (Image1)

Estimate AU$120

1934 Australia - NZ Registered franked Airmail 6d brown (2) inc OS opt, tied by 'Sydney 10 AP 34' cds with flight cachet, Auckland b/s. AAMC 369 cat $60. SG 139 & 139a cat £77 as loose stamps alone & 'from x3' on cover. ACSC cat $387 this franking. (P) (Image1)

Estimate AU$150

1934 Registered FFC Australia-New Guinea printed envelope franked Vic Cent 3d & 1/- (both perf 10½) for outbound flight, & Undated Bird 5d (3) tied by 'Lae 30 JUL 34' cds, diff flight cachets on front & back. AAMC 395 cat $40, plus the Vic Cent 1/- cat $350 as mixed franking on cover. (Image1)

Estimate AU$150

1934 Registered FFC Australia-New Guinea 'boomerang' printed envelope franked Vic Cent 1/- perf 10½ tied by 'Telegraph Office Geelong 17 LJ 34' cds (ACSC cat $350 as mixed franking), plus New Guinea Undated Birds (3 diff)., plus another Lae-Cairns with 3 more Undated Birds - both covers with flight cachets. AAMC cat $80+, plus the Vic Cent 1/- cat $350 as mixed franking on cover. (2). (Image1)

Estimate AU$120

Interrupted Airmail UK-Australia 1934 (22 Nov) to Perth WA bearing KGV 9d ?By air to Karachi & in Australia?, carried on Imperial Airways flight IE296 carried on the Hanno which suffered engine trouble at Rutbah, Iraq & returned to Cairo where mail load transferred to the Hannibal. F condition. (Image1)

Estimate AU$160

1934 Rocket Mail SS Cannonbar-Brisbane defaced black vignette sheetlet of 4. VF fresh MLH, stamps MNH. AAMC R1c. Extremely rare - the 1st such proof we have seen. (P) (Image1)

Estimate AU$375

1935 Broken Hill-Adelaide FFC, Broken Hill 26 No 35 cds. Only small mails carried. AAMC 563 cat $75. (Image1)

Estimate AU$50

Imperial Airways/Qantas NEI -Australia Interrupted Mail: (1) 1935 (31 Jan) regd cover, 85c rate, from Modjoagoeng to Sydney, carried on flight IE309 after it force-landed at Surabaya (4.2) with broken exhaust pipe, departing next day, (b/s Darwin 5.2, Sanford says no mail known from NEI) & (2) 1936 (6 Jun) Batavia to Adelaide (13 Jun), 60c rate, per Qantas plane Brisbane (IE449) that force landed 9 June at Waingapoe, service resuming next day. F-VF. Two very scarce Airmail covers. (2) (Image1)

Estimate AU$200

1935 Rocket Mail SS Maheno-Fraser Island defaced black proof vignette sheetlet of 4. Fresh MLH, margin thin, stamps VF MNH. AAMC R2c. Extremely rare - the 1st such proof we have seen. (P) (Image1)

Estimate AU$300

1935 Rocket Mail Riverview-Moggill defaced black PROOF vignette sheetlet of 4. Fresh MNH, diag crease through 2. AAMC R4e. Extremely rare - the 1st such proof we have seen. (P) (Image1)

Estimate AU$300

1936 Airmail cover franked Kangaroo 2/- maroon CofA wmk, tied by 'Air Mail Sydney 5 NO 36' cds. To Hungary with 'Legi Postaval Erkezeti' h/s, Budapest & Gyor b/s. SG 134. ACSC 40 cat $150 on cover. Scarce. (Image1)

Estimate AU$65

Imperial Airways Interrupted Mail Belgium-Australia 1935 & 1938 flights at 6.75Fr or 8.25Fr rates, flights IE309 (force landed Surabaya, broken exhaust pipe, Sanford #350227), IE640 (engine trouble Marseilles, mail transferred, delayed 2 days), IE647 (landed Corfu, mail transferred), & IE655 (delayed Athens after hitting a buoy, delayed again a few days later with mechanical trouble). All VF condition. (4) (Image1)

Estimate AU$275

1936 Rocket Mail Moggill-Riverview RT6 defaced black PROOF vignette sheetlet of 4. VF fresh M, stamps MNH. AAMC R6c. Extremely rare - the 1st such proof we have seen. (P) (Image1)

Estimate AU$375

1936 Rocket mail Enoggera Rifle Range firing RT7 defaced black PROOF vignette sheetlet of 4. VF fresh M/MLH, stamps MNH. AAMC R7d. Extremely rare - the 1st such proof we have seen. (P) (Image1)

Estimate AU$375

1937 Darwin-Adelaide FFC franked KGV 2d red & SA Cent 3d tied by 'Darwin 6 MR 37' cds. AAMC 708 cat $75. (Image1)

Estimate AU$50

1937 Airmail cover franked Kangaroo 2/- maroon CofA wmk, tied by 'Ship Mail Room Melbourne 4 MY 37' cds. To Austria via Greece with circular Greek? h/s. Athens & Vienna b/s. SG 134. ACSC 40 cat $150 on cover. (Image1)

Estimate AU$50

1937 Airmail Exhib green printing cover with green vignette blk of 4 on reverse, ANA vignette front. AAMC 768b with 768c cat $100. (Image1)

Estimate AU$70

1937 Airmail Exhib blue printing cover with blue vignette blk of 4 on reverse, ANA vignette front. AAMC 768b with 768c cat $100. (Image1)

Estimate AU$70

1937 Airmail Exhib red printed cover with red vignette blk of 4 on reverse, ANA vignette front. AAMC 768b with 768c cat $100. (Image1)

Estimate AU$70

1935 (15 Nov) Interrupted Airmail Greece-Australia: Air France printed airmail cover to Melbourne franked 10D pair, 3D pair, 1D + .50-, that would have caught the delayed flight IE309 at Athens (b/s 16.11, left 19.11, Air France did not stop at Athens) & delayed again due to waterlogged airfield at Hua Hin, Thailand with mail sent by rail to Bangkok for onward carriage, very fine. (Image1)

Estimate AU$180

1937 Rocket Mail Mt Nebo firing R03 defaced black PROOF vignette sheetlet of 4. VF fresh M/MLH, stamps MNH. AAMC R9d. Extremely rare -the 1st such proof we have seen. (P) (Image1)

Estimate AU$400