Description
These coaches were built by two companies, the Birmingham Carriage and Wagon Co. Ltd (BRCW) and Pressed Steel Fisher Ltd (PSF). They were allocated to all the British Railways regions. Most of the BRCW builds had BR B2 bogies (Comet BB1); the remainder and the all the PSF builds had the Commonwealth type (Comet BB2). Eleven of the BRCW batch were converted in 1967 to 4-REP emu cars.