London Underground Poster Walter E Spradbery Summer Garlands on Hedge and Thicket. Original vintage London Transport poster - Summer Garlands on Hedge and Thicket. Design by Walter E. Spradbery (1889-1969) taken from a lino-cut featuring convolvulus flowers. London transport on bottom right corner. Very good condition, creasing, minor staining. Country of issue: UK, designer: Walter E Spradbery, size (cm): 25.5x31, year of printing: 1936.