I've already asked this question on another forum, which has caused a bit of argument.   I have received a request to produce overlays for a pair of MkIII Sleepers in Executive Livery but with the ScotRail light blue band. The suggested numbers are SC10578 and SC10610.   Now, I have a very vague recollection of a couple of Sleepers receiving the blue band as a local depot-level repaint for ScotRail internal sleeper services in the mid-1980s. I believe the Inter-City was replaced with ScotR