1911 FIRST OFFICIAL U.K. AERIAL POST/SCHWEPPES ADVERT. A good used example of the post card in brown from London addressed to Edinburgh, re-directed to Lossiemouth with KGV ½d Downey cancelled fine strike FIRST UNITED KINGDOM/AERIAL POST LONDON dates stamp SP 9 1911 die 2. Light vertical crease and some stray cancellation ink on front but on reverse fine "SCHWEPPES LIMITED" advert.. "We were first in introducing Aerated Waters and have maintained our position as the premier firm for over 120 years..." "P.S. This stamp will some day be of great interest to collectors.". (Ref 102804).