Description:

1934 (Sept 8) Sydney-Perth-Sydney #401 Kingsford Smith Air Service Ltd, Mascot Aerodrome cover endorsed 'Per Lady Southern Cross' signed "C Kingsford Smith" on face carried by him and PG Taylor on this further proving flight of the Lockheed Altair, franked with Airmail 3d green and Victorian Centenary 2d orange tied MASCOT/-7SE34/NSW' datestamp and 'TELEGRAPHS PERTH/-8SE34/WA' transit alongside, Cat $2.250. [Less than 10 covers flown, even fewer both ways; the return flight of 10 hours 20 minutes set a new record for the 3,380 kilometers covered]