b'133Papua-Aerophilately920920C 1926 (Oct.11) Pacific Islands Survey Flight (AAMC.P2a ) with Biplane over Map illustration in blue, addressed to NSW with Lakatois 1d on face plus 1d & 3d on reverse all cancelled by DARU \'11OC26\' datestamps. Flown by Group Captain Richard Williams internally to Port Moresby. A great rarity of Papuan Aerophilately with only six of the 50 covers carried bearing Papua frankings, Cat. $17,500. Ceremuga Certificate (2009). The intended route from Australia via Papua & New Britain, Solomon Islands, New Hebrides & New Caledonia, Fiji & Samoa was abandoned at Tulagi due to engine trouble and illness with the flight returning to Melbourne on 7/12/26.Provenance: Tom Frommer $12,50015,000921 922921C 1928 (Nov. 21) Port Moresby - USA Internal Airmail combination franking (AAMC.P1a) on registered cover to East Orange, NJ with Lakatois d (14) & 2d pair tied \'PORT MORESBY/PAPUA\' datestamps, red/white registration label, cover carried by ship to Australia and then to the west coast of America, 5c Beacon Airmail tied by \'SAN FRANCISCO/JAN20/CALIF/1929\' transit to the reverse paying the domestic airmail fee, fine condition, Cat. $800. Only 15 examples of Papua/USA combination frankings are known.Provenance: Tom Frommer $500600922C 1929 (May 9) Port Moresby - Salamaua - Lae - Wau (AAMC.P17) flown cover, endorsed "PER MORLAE AIRLINE/PORT MORESBY & LAE" with Lakatois 1d (2) cancelled in large manuscript "9.5.29",carried by Ray Parer in a DH-9, fine condition.The only known cover carried on the flight, Cat. $2000. Ex Billy Houston & Roger Lee.[This Bank of New South Wales envelope is an early example of mail addressed to well-knownSwiss businessman John P Spychiger, c/- Burns Philp.]Provenance: Billy Houston, Roger Lee, Tom Frommer $1,2501,500'