Lot 50594 – 1932 Experimental Airmail cover franked by 1928 Pr

1932 Experimental Airmail cover franked by 1928 Presidents issue sent registered from Grabowen on December 5, 1932 and addressed to Australia, an exceptional cover carried on the return flight by Australian National Airways in the aeroplane “Southern Star” from London to Australia, reverse bears MELBOURNE 22 January 1932 arrival cds, see enclosed detailed documentation