LT Hendon Edgware Extension London UndergroundOriginal antique London Transport poster announcement: Hendon Edgware Extension Now Open on the Northern Line of London Underground featuring colourful artwork by Charles Shepard (Shep; 1844 1924) depicting a map of the route of the extension line in relation to the surrounding area, including tube stops from Charing Cross and Moorgate to Golders Green on the border below up to Hendon Colindale Burnt Oak and Edgware with the numbered bus routes and