Poster, British Railways (London Midland Region), Now at your service, Diesel Trains, by Barber, about 1957. Coloured lithograph depicting a British Railways two carriage diesel multiple unit passenger train in green livery, passing over a brick bridge on a sunny day, with white clouds in the sky. In the background at right is a signal box. Text below gives details of improved services between Manchester, Oldham, Royton and Rochdale. Format: double royal. Dimensions: 40 x 25 inches, 1016 x 635mm.