Single fully functional american depression-era chicago commercial building interior hallway illuminated exit ceiling fixture with original ruby red glass ball-shaped globe designed and fabricated by the kopp glass company, pittsburgh, pa. the single electric light fixture contains a polished chrome-plated steel shade fitter with intact st screws and a white ceramic socket for standard size incandescent light bulbs. the fixture's globe contains a brilliant ruby red color, with intact baked white enameled lettering. free from breaks or cracks. the glass measures approximately 6 inches in diameter and the bracket measures 4 3/4 inches.