Kevin: the original Hunter Green color
reveals itself when you open the lens doors, as the inside was never repainted. Safety regulations at some point led many towns to repaint them yellow, this one was done with a brush! There was a green one just like this pole mounted on the corner of my Grandma's street in the '50s in Melrose Mass.
Ralph: as to the weight - yes it's pretty heavy, all cast aluminum, no stampings! It needs pretty heavy duty fittings to be cable span suspended when not mounted on a pole! No Command (Stop, Go, etc) lenses on this one, but they did come that way sometimes, very scarce to find now. There's quite a following for old signals and signs, eMail me thru AW.o Ralph and I think I can put you in touch with the visors that you need for your single-way.
My wife actually practiced Family Medicine in Barre VT where the 2nd picture was taken about 60 years later! The light is long gone unfortunately.