early 20th century american single light flush mount ceiling fixture featuring a highly sought after late victorian era blue opalescent swirl glass globe or shade fabricated by the phoenix glass works, pittsburgh, pa. the gold enameled shade fitter contains a single rewired porcelain socket designed for incandescent light bulbs. original threaded brass set screws intact. ready for immediate installation. salvaged from an old chicago graystone residence built around 1901. measures 12 inches in height.