Midland Railway Kirtley designed 156 class 2-4-0 bearing the LMSR number 20012 photographed at Cambridge mpd. No 20012 was built at Derby in November 1867 and would survive until March 1945.
One substantially rebuilt member of this class, no. 158A, was saved for posterity and resides as a static exhibit at the Midland Railway Centre, Butterley in Derbyshire.
[Mike Morant collection]