The K4 class (2-6-0) 61994 “The Great Marquess” at Hartlepool Station during March 2015 and also pictured at Barrow Hill during April 2012.

LNER 3442 The Great Marquess is a member of the LNER Class K4 designed by Nigel Gresley for the steep grades of the West Highland Line. It was renumbered 1994 in the LNER's 1946 renumbering scheme, and then renumbered 61994 by British railways after the 1948 nationalisation of Britain's railways. Information provided by Wikipedia.

Wonderful views of her, Stan.
It seems that her days in steam are well past now, the end of this page puts her in a museum on a farm in Fife

https://preservedbritishsteamlocomotive ... -br-61994/