A EWonSteam engine on the Ffestiniog railway

This is another picture of a Steam Engine on the Ffestiniog railway, which was taken in 1978. Unfortunately, I can’t make out the name of the engine, and although I found another picture of it here, that picture also has the name obscured. The engine is obviously at a station in this picture, but the name sign on the side of the picture is unfortunately cut from the frame.