1911 FIRST OFFICIAL U.K. AERIAL POST/USED LONDON POST CARD IN BROWN. A good to fine example (slight soiling) of the London post card in brown with KGV ½d Downey cancelled fine strike FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 15 1911 die 3. Addressed to a "Miss Ethel White" and writer states "I hope you do not refuse the letter that will give you explanations of my behaviour or rather my misbehaviour...". (Ref 104471).