single all original and intact diminutive ruby red art glass ceiling or wall-mount light fixture ground glass shade fabricated by the kopp glass company, pittsburgh, pa. the single shade (one of two) contains a standard-sized fitter for use with an uno fitter, etc. the etched ruby red small bulbous shade contains baked-on white enameled lettering. the small exit shades would make for great hanging ceiling pendants or wall sconces. salvaged from a chicago commercial building built around the turn of the century. priced individually.