1911 FIRST OFFICIAL U.K. AERIAL POST/USED LONDON POST CARD IN BROWN WITH BLANK REVERSE AS PRODUCED FOR PRIVATE ADVERTISERS. A good to fine postally used example of the London post card (small scuff at top) in brown from London to Ascot, Berks with KGV ½d Downey cancelled very fine strike FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 12 1911 die 2. Unusually WITH BLANK REVERSE AS DISTRIBUTED FOR COMPANIES TO ADVERTISE UPON. Very scarce. (Ref 102792).