It has no grill in the side door and white window surrounds so it is a 'Toffee Apple' 31/0,
The loco has no fleet number at this end so date is summer or autumn of 1958.
It is most likely that the train is the 2.24pm from Liverpool Street which usually got a Brush Type 2 from start of 1958 summer timetable.

62606 in the background would be withdrawn by Sept 1959