https://antikbarauctions.com/catalogue/lot/d9552491e2e9568db07999064be81af5/100328ddd344a442ddf9a013a95cd69d/graphic-design-featuring-london-underground-posters-lot-9/
London Underground Poster Walter E Spradbery Coltsfoot Farewell Winter. Original vintage London Tran
London Underground Poster Walter E Spradbery Coltsfoot Farewell Winter. Original vintage Lond... in Graphic Design Featuring London Unde (19 Mar 2022)
london underground