hard to find early 20th century dome-shaped interior salvaged chicago commerical building storefront holophane shade or reflector with standard shade fitter opening. a total of four mathcing holophane glass shades are available. the fluted and flared base shades feature the holophane company marking around the lips. the interior salvaged chicago commerical building shades are free from breaks or cracks. each shade has taken on a subtle "sun-purple" hue from exposure to sun light over time. priced individually.