Photos: London Underground, via mikeyashworth:
Work at the station has recently uncovered these amazing advertising posters in non-public areas and that date from c1956 – 1959 when the station’s lifts were removed and replaced by escalators. These are in an old lift passageway.
Hidden posters of Notting Hill Gate Tube station, 2010
via @Skookum86 @paul_steele @ThinkArtWork @maiasylba