London Underground Poster LT Richmond Riverside Spencer Rowell. Rare original vintage printer's proof of a London Underground poster Richmond Riverside A new view, by Tube, featuring great colourful artwork depicting a riverside with buildings and street lanterns by Spencer Rowell, one of a series commissioned by London. Art on the Underground. Excellent condition, printers proof, untrimmed. Country of issue: UK, designer: Spencer Rowell, size (cm): 64x45, year of printing: 1989.