AI identification & appraisal estimate

Leaded slag glass table lamp

Submitted photo of Leaded slag glass table lamp
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$1,500-$2,500

AI estimate as of October 7, 2026 · verify with a professional before acting

AI-Generated · Verify before acting

Everything on this page is generated by AI for informational purposes only. AI can make mistakes — the AI may misidentify items or misattribute them (artist, maker, brand, designer, origin, era). This is not an official valuation and should not be used for insurance, sale, tax, estate, legal, or lending purposes — or any decision requiring a certified appraisal. It is not an authoritative claim about any person, brand, or rights holder — do not share or rely on it as a factual statement about a third party. Always consult qualified professionals before making financial decisions.

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AI Item Analysis

This large table lamp features a prominent domed shade and a matching tapered cylindrical base, both constructed from caramel and cream-colored slag glass panels set within an ornate patinated metal framework. The metal components exhibit a dark, aged bronze-like finish with classical scrollwork, beading, and stylized floral or foliate motifs along the lower rim of the shade and the base. The shade is constructed in segments with decorative metal overlays that divide the translucent glass panels, which emit a warm, diffused glow when illuminated. The base is wider at the bottom, tapering upward toward a multi-tiered neck holding the bulb sockets and pull chains. There is no clearly visible maker's mark or signature discernible from this angle, though the overall design, materials, and construction are consistent with American slag glass lamps from the early 20th century, specifically the Arts and Crafts or Art Nouveau period. The lamp shows minor surface wear and patina appropriate for its age, but no major structural damage or missing glass panels are readily apparent from this view. The identification relies entirely on visual characteristics such as the slag glass medium, metal mounting style, and form factor, as the piece has not been physically examined or authenticated.

AI Appraisal Report

Based on what I can see in the photograph, this large table lamp features a domed shade and tapered cylindrical base constructed from caramel and cream-colored slag glass panels within an ornate patinated metal framework. The classical scrollwork and floral motifs are visually consistent with American slag glass lamps from the early 20th century Arts and Crafts or Art Nouveau period. However, I can't verify from a photo whether the piece is a period antique or a later reproduction, as visible markings or maker's marks are not discernible from this angle. For the purposes of this estimate, I am assuming the attribution to an early 20th-century American slag glass lighting manufacturer. Assuming this working hypothesis is correct, comparable lamps of this type, scale, and decorative complexity typically trade in the $1,500 to $2,500 range in the current secondary market, provided the glass panels and metalwork are free of major damage. If the lamp is a later reproduction, replica, or made 'in the style of' rather than a period piece, the value would likely decrease significantly, typically falling into the $300 to $600 range. To move beyond this working assumption and confirm authenticity, I would need physical inspection to examine the metal composition, patina, lead cames, and socket hardware closely, alongside potential expert appraisal or hallmark verification. Please note that this estimate depends entirely on future authentication, and an unauthenticated or reproduced piece of this type would command a much lower price.

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