manning wardle & co sharpthorn

does any one have any info on shapthorn that was made by manning wardle & co that is on static display at horsted keynes on the bluebell railway as far as i got is that it was made by
manning wardle & co, and it was used on the construction of the bluebell.

I have a 1986 mazda that i work on the body and floorpan is in a bit of a mess but the drivetrain is in good order