GNERs 91025 'Berwick-upon-Tweed' is seen alongside the Kings Cross thunderbird on Saturday 28th June 2003. Generally the 'slab end' is not used for leading the train on regular passenger services as the loco is then restricted to 110mph compared to 125mph for normal running.
Photo from James & Martin's Picture Collection Copyright 'Jampics' m.hawkes7@ntlworld.com