"Someone Somewhere" wrote in message
...

It appears to be roughly (I've only caught the back end of it) 5 all
yellow
coaches topped and tailed with a diesel loco. The coaches are of at
least 2
different types, with what might be a couple of MkIIIs with everything
else
older.

Any ideas what it might be?

Probably looked something like this:
http://www.youtube.com/watch?v=7fa7JUrPJ34

MaxB