Railfreight sectorisation cast aluminium plate with red background off the right hand side of 20137 which was also named Murray B. Hofmeyr. One of only three class 20's to carry cast Railfreight plates and used on the Boulby mine workings while working off Thornaby depot. Loco currently preserved at the Gloucestershire & Warwickshire Railway, Toddington. In as removed condition measures 31.5in x 8.5in.