1911 FIRST OFFICIAL U.K. AERIAL POST/LONDON POST CARD IN RED-BROWN ADDRESSED TO GERMANY. A very fine London post card in red-brown from London addressed to Berlin, Germany with two examples of the KGV ½d Downey each cancelled very fine strikes FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 9 1911 with the scarcer die 5. Most attractive. (Ref 102813).
