A rare and unmarked London Underground folding pocket map from 1931 of the Frederick Stingemore design. Shows the Cockfosters extension under construction which only appeared on 1931 editions as it opened in 1932. In very good condition for the age, wearing to folded parts but no tears or pen/pencil marks. Please see photos for condition. Reverse/cover is blue linen texture with Theatres and Places of Interest listed.
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