With a blank tender but a BR smokebox numberplate, also with quite a stout driver!

Peter Kerslake says " 6017 was allocated to Old Oak Common from July 1948 and moved to Laira in January 1952. Whilst at Laira it was the first of their "Kings" to have a double chimney, fitted in December 1955 during a ten week long Heavy General overhaul which included new front frames and inside cylinder block."