G.B External Flights. 1924-25 British Empire Exhibition. 1924-25 Covers and cards all with exhibition cancels comprising 1924 (Apr 23) flown cover to France with Wembley 1d and 1½d used on the First Day of Issue; registered cover flown to Brussels with Palace of Engineering datestamps, and a flown cover to Berlin; 1925 flown covers to Holland or Germany; also picture postcards showing Imperial Airways aircraft at Croydon (4, all posted at the 1925 exhibition) or the Imperial Airways trade stand (2), etc. (14).

1925 (June 30) Cover to London endorsed and signed "From Paris to Hammersmith by amphibian plane 30 June 1925, R. Bajac" posted upon arrival (minor staining); and a postcard depicting the aeroplane with 1d + 2½d tied by Waddon Aerodrome Croydon c.d.s (July 1), flown to Paris with arrival backstamps and a 20c postage due stamp applied. Bajac flew an amphibian plane from the Seine in Paris to the Thames in London and back, carrying 120 numbered cards in each direction, but clearly hand carried at least one additional cover for a friend, the latter very rare. Also a contemporary news cutting and a signed real Photo postcard of Bajac dated 1927. (4). Photo on Page 22. (Image1)

1924-41 Mainly commercial covers to or from G.B including items to or from Austria (4), Belgium (3), Czechoslovakia (3), Denmark (2), France (4), Germany (19), Gibraltar (6), Greece (2), Malta (2), Netherlands (8), Spain (2), Sweden (4), etc., three with boxed "NO FLIGHT / SENT BY / ORDINARY SERVICE". (65).

Imperial Airways. 1924-32 First flight covers and cards comprising 1924 London to Brussels; 1925 London to Amsterdam, Zurich (2), Basle (2, one addressed to Rome), Malmo, Helsinki (2), or Memel; 1926 London to Berlin (2, one to Bratislava) or Copenhagen; 1928 London to Stockholm first night flight (2, one from Switzerland); 1930 London to Brussels first night flight (2) and return (2), London to Berlin first night flight (7, one from Dublin) and return, London to Janina; 1931 London to Crete; 1932 London to Berlin first postcard rate, Istanbul to London via Paris. (31).