AI Appraisal Estimate

This is a vintage Tiffany-style table lamp featuring a multi-colored stained glass or slag glass shade with a geometric paneled design. The shade is constructed using the copper foil method, composed of various rectangular and crown-shaped glass pieces in hues of amber, forest green, deep crimson, and cobalt blue. The glass panels exhibit a 'slag' or marbled texture, common in turn-of-the-century revival lighting. The top of the shade is adorned with a decorative crown or castellated rim. The base appears to be made of cast metal, possibly brass or bronze-finished zinc, featuring an ornate foliate or acanthus leaf motif on a circular pedestal. The lamp stands approximately 18 to 22 inches tall. In terms of condition, the lead caming shows signs of oxidation and patina consistent with age. There are no readily visible hairline cracks or missing panels in this view, though the solder joints appear somewhat thick, suggesting a mid-to-late 20th-century mass-market production rather than an original artisan piece. The base shows some surface wear and minor tarnishing. This style is characteristic of the Arts and Crafts or Art Nouveau revival movement, likely dating from the 1970s or 1980s.

I have conducted a visual examination of this Tiffany-style slag glass table lamp. Based on the construction techniques observed, specifically the thick, irregular solder lines and the 'castellated' crown rim, this piece is a mid-to-late 20th-century revival item rather than an original Tiffany Studios antique. The use of multi-colored slag glass—including amber, crimson, and cobalt—is typical of mass-market productions from the 1970s Art Nouveau revival period. The base shows characteristic wear for a zinc-alloy casting with a bronzed finish. The condition is fair to good, with visible oxidation on the leading and expected surface wear to the base. Market demand for reproduction slag glass lamps remains steady for decorative purposes but lacks the 'fine art' premium associated with early 20th-century artisan lighting. Comparable sales for 1970s revival lamps of this scale typically fall within the $150 to $250 range at auction. Factors limiting value include the lack of specific manufacturer marks (such as Quoizel or Dale Tiffany) and the relatively simple geometric pattern. Please note that this appraisal is based solely on digital images. A physical inspection is required to check for hairline heat cracks in the glass and to verify the electrical safety of the internal components. To definitively rule out a more prestigious origin, one would need to inspect the foot of the base for a stamped signature and examine the underside of the shade's top ring for an authentic 'Tiffany Studios New York' impression, though the current visual evidence strongly suggests a commercial reproduction.