Tiffany Studios 'Swirling Leaf' leaded glass lamp, First quarter 20th century, the shade marked ''Tiffany Studios New York L470-27'', the base marked ''Tiffany Studios / New York / 585'', the domed shade with a band of yellow swirling leaves on a green geometric ground over a tapering octagonal baluster stem above a circular stepped base, electrified, est:$18,000/22,000

23'' H x 18 Dia. Provenance: Property of a Private Collector, San Marino, CA. Condition: Top aperture of shade 4.25''. Good condition overall. General light marks, scratches and rubbing to surface commensurate with age and use. Some spotting to green geometric glass panels at top of shade. About 6-8 glass panels cracked, two of which are yellow leaf panels. Insulator cap threading apparently lengthened, with subsequent rubbing, scuffing and loss of patination to finial. With spotting, green oxidation and some dirt accumulation to patina of base. Wiring should be checked by a qualified electrician prior to use.