London Underground Poster LT Week Events Flower Show Zoo Willoughby. Original vintage travel advertising poster: La semaine a Londres / This week in London - Open air theatre Shakespeare�s Henry VIII at the Regents Park, Zoo by Night, Pageant Mother�s Union at the Royal Albert Hall, Exhibition on Imperial Airways at the Charing Cross, Flower Show Delphiniums & Sweet Peas at the Royal Horticultural Hall, League of Arts English Folk Dance & Song Society at Hyde Park from June 29 to July 5. - featuring text in blue and black letters against a light background, a frame in red, blue and black, with the London Transport roundel logo below. Good condition, creasing, tears, staining. Country of issue: UK, designer: Althea Willoughby, size (cm): 100x63, year of printing: 1935.