Re the MD in the barn in Northamptonshire, it is definitely ex Reading and is ORD105R. 10 years ago I drove past it and the blind layout had me thinking it was a GMPTE one so I emailed the SELNEC preservation society about it. They said it was unlikely so I went back and checked and sure it enough it was Ex Reading. One of the guys I contacted then made contact with the yard owner who confirmed it as ORD105R.