1911 FIRST OFFICIAL U.K. AERIAL POST/A COMPLETE SET OF THE SIX LONDON POST MARKS WITH THE SAME ADDRESSEE. Six London post cards (four in red-brown and two in olive green) all addressed to "S. J. Cardnell. St. Pauls Rd, P.O., London N.W." cancelled with mostly superb strikes of the FIRST UNITED KINGDOM/AERIAL POST LONDON die 5 hand stamp for the six different days of this event. S. J. Cardnell was a Postal Clerk at Hendon Airport responsible for franking mail for this event. A superb and unique set - a superb souvenir of the event. (Ref 102886).