Bidspirit auction | Worldwide Pioneer Flights - Australia

Worldwide Pioneer Flights - Australia - 1914 (July 16-18), Inauguration of Australia's Aerial Mail on Bleriot Monoplane by pilot M. Guillaux, official souvenir postcard delivered on flight Melbourne - Sydney, franked by Kangaroo 1c red,No.1952 at right, all appropriate markings, minor flaws, still F/VF and scarce, Mueller #3, 17,500 points, Est. $600-$750, Sc. #2