46150 1955-07-06 Linslade Tunnel
LMS Converted Royal Scot 4-6-0 No 46150 The Life Guardsman has just left Linslade Tunnel, just north of Leighton Buzzard, with a Manchester London Road to Euston express on July 6, 1955.
Photo: D.M.C. Hepburne-Scott/Rail Archive Stephenson