1911 FIRST OFFICIAL U.K. AERIAL POST/USED LONDON POST CARD IN RED-BROWN. Fine to very fine example of the London post card in red-brown with KGV ½d Downey cancelled good strike FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 9 1911 die 1. Addressed to Ascot, Berks and on front neat SUNNINGDALE cds SP 11 11. (Ref 104482).