b'44290290C THE FIRST CROSSING OF THE PACIFIC BY AIR31 May 1928 (AAMC.122) USA - Australia cover flown by Sir Charles Kingsford Smith, Charles Ulm, J Warner & H Lyon in the Fokker FV11B-3M \'Southern Cross\' on the first crossing of the Pacific by air, franked with USA Airmail 10c Map (5) and 5c Roosevelt uncancelled but endorsed "carried across the Pacific Ocean from California to Australia" signed "JW Warner, Radio Opr" on face and further endorsed and signed by the whole crew including "C Kingsford Smith" on back. Cat $25,000 (four flown),also, a photograph of the crew with benefactor Captain Hancock in the USA and 1941 Statutory Declaration by his nephew J Kingsford Smith authenticating the cover and confirming the signatures were \'made in my presence\'. This flight was the first leg of Kingsford Smith\'s eventual circumnavigation of the world in the \'Southern Cross\' completed in 1930.Provenance: Tom Frommer\'s Large Gold International collection. .$15,00017,500'