1935-38 first flight covers from 1935 Aug 30th Denny flight Port Moresby - Ioma registered & pilot signed (97 flown), 1936 June 18th Roger & Archbold flight Daru - Mount Blucher parachute mail, certified arrival signed by both pilots (192 flown), 1938 June 4th Carpenter Airlines Port Moresby - Sydney part of small mail on to New Zealand. (3) (Image)