Referring to LMS Wagons, volume 2, by RJ Essery - this looks like any of D1919/D2036/D2068, all fairly similar. Most without automatic brake, some piped. Built from 1935 for D1919, through 1950 for D2068. It seems well over two thousand were built across those three diagrams.
LMS 20T Brake
in Colwyn Bay Goods - 2mm Finescale
A blog by Bryn in RMweb Blogs
Posted
Referring to LMS Wagons, volume 2, by RJ Essery - this looks like any of D1919/D2036/D2068, all fairly similar. Most without automatic brake, some piped. Built from 1935 for D1919, through 1950 for D2068. It seems well over two thousand were built across those three diagrams.