Poster artwork; London Transport at London's service, by Misha Black and John Barker (Kraber), 1947At London's service : Graphic overlays were used when printing the finished poster of this original photographic artwork. It was created by Misha Black and John Barker in 1947.
Related story:How posters are made
Designers and poster artists experiment with many ideas before selecting the one they believe best answers the brief. They then create original artwork, which may be a painting, drawing, photograph or even a three-dimensional model. These are sometimes accompanied by a set of instructions telling the printer how to complete the final production.