One of those inexplicable Polish film poster’s, from 1976, for Brief Encounter as directed by Allan Bridges (UK, 1974).
The artist for the poster’s illustration was Romuald Socha (b. 1943).Also by the same artist, here is also:
The Polish poster for Anna And The Commodore as directed by Yevgeni Khrinyuk (USSR, 1975).
Both via: Movie Poster Of The Day