Lamp has Art Nouveau base with silver plate over bronze and supports an Austrian secessionist art glass shade with slender blue threads and amber oil spots randomly spaced around top of shade against lightly opalescent background. Lamp is unsigned. SIZE: Shade is 9" dia with 7" fitter. Lamp is 20-3/4" t. CONDITION: Very good to excellent. 50429-110 DAB (2,500-3,500)