This is a previously used but very good example of the grey roof unique to the pantograph electric - a Triang Transcontinental BO - BO green electric loco good clean untarnished condition as per the title and photos with the hooters.
The TRIANG R257 GREY ROOF & SWITCH GREEN PANTOGRAPH TRANSCONTINENTAL ELECTRIC LOCO would be the best fit for model railroading enthusiasts looking for a reliable and high-quality electric loco with a grey roof and green pantograph, specifically designed to operate on Transcontinental rolling stock systems.