UNIQUE HENDON TO WINDSOR FLIGHT COVER 1911 First U.K. Aerial Post, special card imprinted for flight from HENDON to WINDSOR, with KGV 1/2d tied by Die 5 Aerial Post cancel of Sept. 11, and addressed to London, very minor creasing else fine. The only flown Hendon-Windsor card known to us, thus an important early airmail showpiece (Image)

1925 (May 24) Bath to London flight, postcard depicting the pilot with KGV 1/2d green cancelled on arrival in London, with special label “This card was carried from Bath to the London aerodrome by aeroplane” and initialled by the pilot, fine and very rare (only about 9 cards known), signed F. J. Field (Image)

1933 (August) Zeppelin 4th South America Flight, commercial postcard sent from Cardiff with GB 10d and 3d Great Western R.R. airmail issue, both tied by machine cds (Aug. 3) with GWR stamp tied by same-day Birmingham cds as well, Berlin connecting flight & S.A. flight cachets, sent to Rio with Aug. 9 arrival, also has “Via Condor Zeppelin” 4-line cachet on back, scarce and unusual showpiece, very fine (Sieger 223 B variety) (Image)

1933 (August) Zeppelin 4th South America Flight, cover to Montevideo, Uruguay franked by 1sh (printed matter rate) tied at London (August 4) with Berlin connecting flight cachet as well as superb flight cachet, Rio bs (August 10), flown by Condor-Zeppelin plane to Montevideo with large black cachet on reverse, very fine (Sieger 223 B, € 200+) (Image)

1933 (Oct.) Zeppelin Chicago Flight, cover from London franked by strip of four 1s values tied Oct. 12, also tied by bold Berlin connecting flight cachet (circular cachet alongside, cds of Oct. 13 on back), sent to member of Argentina’s Naval Aviation at Buenos Aires via Rio, with Buenos Aires machine bs (Oct. 19), uncommon commercial mail, fine (Sieger 238 E, € 650+) (Image)