1911 FIRST U.K. AERIAL POST, VERY FINE LONDON POSTCARD IN OLIVE-GREEN, POSTED 'HENDON' WITH VERY FINE STRIKE HANDSTAMP DIE '5'. Very fine London postcard in olive-green to Hungerford with KGV ½d tied very fine almost complete strike 'FIRST UNITED KINGDOM/AERIAL POST LONDON' date stamp SP 9 1911 with the very scarce die '5'. On reverse manuscript posted at 'HENDON' 'AERODROME' . (Ref 140753).