This elegant, antique Art Nouveau art glass lily shade is by Steuben Glass Works. It is crafted in iridescent gold with optic ribs. MAKER Steuben Glass Works (Corning, NY, 1903-2011). Founders: Thomas Gibbons Hawkes (Irish, 1846-1913) and Frederick Carder (English, 1863-1963) (Active: 1903-32). MARKS Fleur-de-lys Steuben mark. PERIOD Early 20th century DATE Circa 1910 DIMENSIONS Width 3 Depth 3 Height 5 inches Fitter: Width 1 inches