141321 1911 FIRST U.K. AERIAL POST WINDSOR POSTCARD IN OLIVE-GREEN TO ESSEX WITH KEDVII 1/2D, WINDSOR CANCELLATION.

1911 FIRST U.K. AERIAL POST WINDSOR POSTCARD IN OLIVE-GREEN TO ESSEX WITH KEDVII ½d, WINDSOR CANCELLATION. Used Windsor postcard in olive-green, some soiling to Forest Gate, Essex with King Edward VII ½d tied very fine strike 'FIRST UNITED KINGDOM/AERIAL POST/WINDSOR' date stamp SP 16 1911 Die 2. Whilst soiled, the Windsor stationery is much much scarcer than that of London. (Ref 141321).