Air Mail cover 1939 (28 Nov.) envelope with typewritten "This cover was carried from Brisbane to Sydney by courtesy of the K.N.I.L.M.- FAIRCHILD Survey Expedition", bearing 5d. tied by Manly c.d.s. and signed by pilot and co-pilot. With the original enclosure which indicates than only 5 covers may have been carried on this leg. Eustis 885b var.

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Air Mail cover 1939 (28 Nov.) envelope with typewritten "This cover was carried from Brisbane to Sydney by courtesy of the K.N.I.L.M.- FAIRCHILD Survey Expedition", bearing 5d. tied by Manly c.d.s. and signed by pilot and co-pilot. With the original enclosure which indicates than only 5 covers may have been carried on this leg. Eustis 885b var.