1911 FIRST OFFICIAL U.K. AERIAL POST/LONDON ENVELOPE IN BRIGHT GREEN TO SWITZERLAND. A fine example of the London envelope in bright green to Lusanne, Switzerland with attractive combination of King Edward VII 1½d purple-green and KGV 1d Downey scarlet cancelled fine strikes FIRST UNITED KINGDOM/AERIAL POST LONDON date stamps SP 9 1911 die 2. On reverse LUSANNE receiver 13.IX.11. Very attractive overseas usage. (Ref 105653).
