1911 FIRST OFFICIAL U.K. AERIAL POST/USED LONDON POST CARD IN BROWN. Fine example of the London post card in brown with KGV ½d Downey cancelled fine strike FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 9 1911 die 2, addressed to Oxford. Note on reverse reads "A Souvenir of the inauguration of the Aerial post". (Ref 104455).
