Railfreight Petroleum/Trainload Petroleum - One each F4419 & F4320 - 1200mm (prototype size) Symbols, weathered version and standard TOPS numbers in black. Enough for one engine. The symbols in sheets F4410-F4420 are authentic for loco classes 37, 58, 60. For 1000mm (prototype) sizes, see sheets F4400-F4409. For information only - there were no Class 20s included in at least the original specifications for Railfreight Sector Livery. Some Class 20s were indeed painted in the triple grey paint scheme, but only carried the black TOPS numbering. The reasoning behind this 'anonymous' appearance being that the class was not entirely suited to the new dedicated Railfreight Sector operations, their lack of power/driving cabs at one end only necessitating their working in nose-to-nose pairs. In addition, the number of inspection doors in the body would have caused issues in decal application. If indeed any of the class did have the markings applied, then they would likely be the smaller - 1000mm - version. I do not recall seeing any images of 20s in full livery.