This is almost certainly a first...a 37 4 at the stops at Hertford East. Not only that but 37416 is a somewhat special loco in that it is one of only two in this livery that are currently used on the Royal Scotsman Charter train. The date is February 19th 2005.
Photo from James & Martin's Picture Collection Copyright 'Jampics' m.hawkes7@ntlworld.com
British and Foreign Railway Pictures Jampics Fotopic.