Graphically illustrating the change over to Network SouthEast liveried stock, 51671 leads the 17:25 Marylebone to Banbury service past Kings Sutton on 20 June 1989 with the front half of the train in freshly applied NSE colours and the back half still in blue and grey. You would have thought that they would paint a complete unit at one time! There were several instances of half and half Class 115 sets around this time.