Hall Class 4-6-0 5931 'Hatherley Hall' stands alongside Castle Calass 4091 'Dudley Castle' inside Old Oak Common shed. 5931 was reallocated to OOC on 19/1/59 while 4091 was the first 'proper' Castle to be withdrawn on 19/1/59, so the photo date must be late Jan/early Feb 1959. the Castle being scrapped at Swindon 3/59.