Between 1936 and 1947 the LMS built 459 Sleeper wagons.They were similar to the commoner Sole ballast wagons but had fixed ends. A variety of liveries is shown towards the end of their lives. A few lasted until the general demise of unfitted wagons.
DM749210 ZCO HADDOCK
DM749210 ZCO HADDOCK 
DM749333 ZCO Haddock @ Longport Junction 80-08-03 � Paul Bartlett w