original late 1920's american interior commercial building double-sided emerald green glass illuminated exit light designed and fabricated by the kopp glass co., pittsburgh, pa. the electric exit light fixture contains a wedge-shaped globe with original baked white enameled lettering. the steel shade fitter with polished chrome finish contains a single socket and set screws. mounts flush against the ceiling. measures 4 1/2 x 4 1/2 x 6 inches.