TT3011M BR Princess Coronation 4-6-2 46232 'Duchess of Montrose' Steam LocomotiveThe story of the Princess Coronation Class is one of split personalities and purposes. The original streamlined form of the class arose from tests on Stanier's development of the Princess Royal class locomotives. When the opportunity to produce five conventional versions of the Coronation Pacific as a comparison to the streamlined version arose, Stanier was quoted as saying, 'They can have their streamliners if they b***** want them, but we will also