No 46236 City of Bradford at Welham Green near Brookmans Park with a Kings Cross to Leeds express during the 1949 Locomotive Exchanges. Francis Knoght says "That appears to be the side Girder of Bulls Lane bridge to the right, and the Elm tree on the left which I photographed shortly before it succumbed to disease in 1974"

Photo: Colling Turner/Rail Archive Stephenson