1911 FIRST OFFICIAL U.K. AERIAL POST LONDON POSTCARD IN OLIVE-GREEN POSTED FROM WINDSOR TO RAMSGATE, KENT. Very fine London postcard in olive-green, POSTED AT WINDSOR addressed to 'Revd. F. Kerr McClement, M.A., 2 West Cliff Terrace, Ramsgate, Kent' with KGV ½d Downey cancelled superb strike 'FIRST UNITED KINGDOM/AERIAL POST/WINDSOR' date stamp SP 16 1911 Die 2. Note on reverse reads 'A souvenir of the Coronation Aerial Post, Windsor, to Hendon, Sept. 1911'. Examples of the postal stationery used from the wrong place of posting are scarce. (Ref 150738).
