1939 R. Rogers Hollandia-Port Moresby flight cover with 'GUBA' aircraft, bearing 1c(2), 2c(2), 2½c, 3c(2), 3½c, 5c, 7½c, 10c and 12½c all cancelled by 'HOLLANDIA (29.3.39)' cds, on revers arrival Port Moresby (30.3.39) cds, some toning nevertheless a rare item with just few known, cover is signed by the pilot R.Rogers and crew, Eustis P144 $1,750 (Image)