This is a wonderful map of pocket map of London and published in 1923 by Geographia Ltd.  Cover downtown London from the Hammersmith Bridge and Wormwood scrubs eastward past Hyde Park and Buckingham Place to Whitechapel Road and the London Docks.  Features many of the buildings of London drawn in three dimensions.  Insets in the lower right and lower left depict Theater land and Clubland, respectively.  Both insets detail individual establishments as they existed at the time including the Ladies Automobile Club, the Athenaeum, the Palace Theater, the Hippodrome Theater and the Coliseum Theater, among many others.  Notes stations on the London Underground.
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1923 (dated)
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