Hornby R3395TTS RailRoad LNER A4 Classw 37411 4468 Mallard Era 3 Loco Junior

A series of trials were conducted to confirm the Al's suitability. With the trials successfully completed, the LNER Board gave Gresley the go-ahead to create the 'Silver Jubilee' streamlined trains, the first of the new streamlined A4s.