1911 FIRST OFFICIAL U.K. AERIAL POST/"SCHWEPPES" ADVERTISEMENT. A very fine example of the London post card in brown addressed to Rushton Lancs with KGV ½d Downey tied fine strike FIRST UNITED KINGDOM/AERIAL POST LONDON date stamp SP 9 1911 die 2. On reverse fine advert "From SCHWEPPES LIMITED"..."We were first in introducing Aerated Waters and have maintained our position as the premier firm for over 120 years. We again take the lead in addressing you by first Aerial Post, and ask you as a connoisseur to insist on having Schweppes Soda Water, Dry Ginger Ale, or Tonic Water. It has reached every part of the world". "P.S. This stamp will some day be of great interest to collectors.". (Ref 114487).