LT London Transport Underground Throughout the AgesOriginal vintage advertising poster promoting London Overground and London Underground public transport services The Londoner's Transport Throughout the Ages by the notable artist and poster designer Richard T. Cooper (1884 1957), who worked for the Underground Group from 1924 to 1935. Fantastic design featuring colourful historic illustrations showing Some of the Means of transport in London from A. D. 327 to 1927 with stylised text below, starting