1911 FIRST OFFICIAL U.K. AERIAL POST/LONDON POST CARD IN OLIVE-GREEN TO HOLLAND. Good post card in olive-green to Leeuwarden, Holland with combination of King Edward VII ½d yellow-green and KGV ½d Downey cancelled fine strike FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 9 1911 die 2. Small tear and corner crease at top but very scarce overseas usage and particularly nice with LEEUWARDEN receiver 13.9.11 on front. (Ref 104376).
