Early 20th century, the base stamped to underside ''Tiffany Studios / New York / 585'', the shade stamped ''Tiffany Studios New York'' and ''1470-27'', the spindle-shaped finial surmounting the pierced domed heat cap above a domical geometric-design mottled green and yellow leaded glass shade in the ''Lemon Leaf'' pattern, over a three-light patinated bronze octagonal baluster-form base, raised overall on a spreading stepped foot, 23'' H x 18'' Dia., est: $6000/9000
Literature: This base illustrated: A. Duncan, ''Tiffany Lamps and Metalware'', Woodbridge: Antique Collectors Club, 2007, p. 110, fig. 453 (model #585); the shade illustrated: Ibid, p. 144, fig. 603 (model #1470). Provenance: Private Collection, San Marino, CA

Overall good condition. The base with scattered marks, scratches and rubbed wear to edges commensurate with age. Heat cap with minor bending. Scattered spots of verdigris, the largest a 1.5'' x 1'' area to edge of base. The shade with approximately ten tight hairline cracks to scattered panels. Wiring should be checked by a qualified electrician prior to use.