Lotus or Tulip Style Slag Glass Hanging Lamp
Decorative Art / Lighting Fixture • Unidentified American or European Commercial Studio; Manner of Tiffany Studios or Handel Packing Company
Style & Movement
Art Nouveau with Art Deco transitional influences
Medium & Technique
Amber marbled slag glass panels with leaded or zinc-alloy cased metal. Technique includes glass molding for texture and soldering for the beaded filigree framework.
Creation Period
Early 20th Century (circa 1910–1930) or mid-20th-century revival
Dimensions & Format
Approximately 14-18 inches in diameter; Three-dimensional dome format.
Subject Description
A multi-paneled domed lamp shade featuring an amber-toned 'slag' or marbled glass. The composition uses curved petal-like forms resembling a lotus or tulip flower, unified by a bronze-finished metal frame with beaded detailing and an ornate foliate band near the crown.
Condition & Value Assessment
Condition Assessment
Good/Fair. The glass appears intact without major cracks, but there is significant accumulation of surface grime and oxidation on the metalwork.
Estimated Market Value
$300 - $600 USD
Auction Estimate
$200 - $450 USD
Provenance History
Likely residential domestic use; no visible maker's marks in the provided detail, though stamps are often found on the interior rim or heat cap.
Art Historical Significance
Represents the democratization of 'Art Glass' during the early 20th century, where companies produced high-quality slag glass to mimic the aesthetics of luxury Tiffany lamps for common households.
Notable Features
Distinctive 'beaded' soldered lines between panels and a deeply textured 'hammered' effect on the glass surface which enhances light diffusion.
Condition Issues
Verdigris (green oxidation) on metal joints, heavy dust in textured glass crevices, potential aging of internal electrical wiring, and minor pitting in the metal alloy.
Conservation Recommendations
Professional cleaning with a soft brush and non-ammoniated cleaner; rewiring by a certified electrician for safety; preservation of existing patina—do not use abrasive polishes on the metal.