London Underground Poster Betty Swanwick Chestnut Time Bushy Park Doves. Original vintage London Transport poster for Chestnut Time Bushy Park Design by Betty Swanwick (1915-1989) features two doves and a chestnut tree in bloom. London Transport logo in the central upper part. Printed by the Curwen Press. Bushy Park near Hampton Wick is home to chestnut trees that were planted more than 300 years ago, it has been a romantic setting to appreciate the beautiful chestnut blossoms since Victorian times. Good condition, folds, tears, creasing, staining. Country of issue: UK, designer: Betty Swanwick, size (cm): 25.5x32, year of printing: 1937.