47459 looking very smart in 'Large Logo' livery as it pauses at Gatwick Airport with 1M00 the 1215 Brighton to Liverpool Lime Street. This was part of the Intercity Cross-London service introduced with the May 1986 timetable. More information can be found here.
http://www.1s76.com/1S76%201986.htm
Slide dated September 1986.
Photographer unknown.