1911 FIRST OFFICIAL U.K. AERIAL POST/LONDON POST CARD IN RED-BROWN TO SOUTH AFRICA. Fine London post card in red-brown to Natal, S.A with combination of King Edward VII ½d yellow-green and KGV ½d Downey each cancelled fine to very fine large part strike FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 9 1911 die 2. On reverse HILLARY/NATAL receiver OC 6 11. Excellent and scarce overseas usage. (Ref 104386).