In the 1970s I constructed A Faller B-145 kit - a small BP diesel bowser to fill Diesel locomotives. It was not the best of assemblies and I seem to have preferred putting the roof on top of the roof supports rather than hanging it from it as the instructions suggested.
I decided it was time to weather it and give it a light 40 years later...
I put some rust color on the infrastructure and some black mess on the tanks.
