signal identification plate from the Metropolitan line. I believe if I've done my research right it's from the Ruislip area. very clean this may have been a stores one. very cool display piece.
Vintage Enamel 1930's Southern Railway Signal Identification Plate Sign 19,3/4".
New Stations for Old Metropolitan Line Tube Underground Railway Poster
10 X TEN LONDON UNDERGROUND ROUTE MAPS METROPOLITAN LINE
OO Gauge London Underground Metropolitan Line S Stock Model
Metropolitan Line Engineering 1994? About pristine Chesham Amersham Watford
