Colour transparency; the enquiries desk at Piccadilly Circus with staff and customers, by Paul Proctor, 1974 Poster; Fly the Tube to Heathrow, by Wilson McLean, 1986 colour transparency, Heathrow Terminals 1,2,3 Underground station, Piccadilly line, circa 1978 colour transparency, Heathrow Terminal 4 station, Piccadilly line, circa 1988 B/W print; Heathrow Central Underground station, Piccadilly line by Chorley Hyman & Rose, 17 Jul 1979 Colour transparency; Queen Elizabeth II on Piccadilly line 1973 tube stock, 16 December 1977 B/W duotone print, 'End of the line'/'Ongar, my love' by Wozzy Dias, 1980 - 1990 colour transparency, Queen Elizabeth II at the opening of the Victoria line, 7 March 1969 Colour transparency, Queen Elizabeth II officially opening the Piccadilly Line extension, by LT News, 1977 Digital file; photo of exterior of Elizabeth line Bond Street station, Hanover Square entrance, by Simon Murphy, October 2022 Digital file; photo of Elizabeth line concourse at Liverpool Street station, by Caterina Tiezzi, May 2022 Digital file; photo of Elizabeth line booking hall at Paddington station, by Caterina Tiezzi, May 2022 Digital file; photo of Elizabeth line roundel at Bond Street station, by Crossrail, 12 July 2022