This is a vintage Bakelite door chime. This popular door chime was marketed under various brand names from 1940 through the 1960s. Early examples were marketed from by the Marks Products Company and later by Snapit and Leviton. A curious feature of this chime is that the tone bars are different metals one is copper and one is brass. One of the wooden plungers is missing and there is some red paint on the side. Only one available, the electrical component is untested the item is sold as is.