1931 (Nov 6) Australia-England #P36a with very fine boxed 'BY FIRST THROUGH/AIR MAIL/SERVICE/FROM NEW GUINEA' h/s (?) in violet, Hut Airs 2/- & 'OS' 6d tied by Rabaul cds, '.../AUSTRALIA-ENGLAND' cachet applied at Brisbane (?), signed by the pilot "CKingsford Smith", a couple of very minor blemishes, Cat $375. [Tom Frommer's similar cover sold for $528]

Grade A- (Image1)

Estimate AU$250

1933 (Apr 10) Goroka-Lae-Salamaua #P59 endorsed "By air from WAHGI River/Central New Guinea" & signed "Ian Grabowsky/Pilot Fox Moth/...", Undated Airs 3d cancelled in transit at Lae, Salamaua transit & Sydney arrival b/s, Cat $2000. Only 5 covers flown. [The Leahy Bros Expedition explored the Wahgi Valley & built the airstrip to enable re-supply per Guinea Airways. The airstrip was abandoned at the end of April. Goroka had no post office until after WWII]

Grade A- (Image1)

Estimate AU$900

1935 (Aug 8) Sydney-Port Moresby-Wau per Fairey Fox #P63 with KGV 1d cancelled at 'ALBERTON' (SA) & Huts ½d pair cancelled on arrival at Wau, signed by the pilot "Ray Parer", Cat $400. [Alan Grey's example sold for $609]

Grade A (Image1)

Estimate AU$180

1937 (Jan 9) Sydney-Port Moresby per return flight of De Havilland Dragon #P110b with Huts 'OS' 1d pair cancelled in transit at Brisbane, signed by the pilot "RO Mant", Cat $900. Only 5 covers flown. [Returned from New Guinea by sea to Brisbane. Alan Grey's cover sold for $770]

Grade A (Image1)

Estimate AU$350