AI Appraisal Estimate

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Submitted item photo
Submitted photo · June 15, 2026

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Signed J Underwood McMann also numbered

AI analysis below

AI appraisal

AI analysis & estimate

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Everything below 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 Identification

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Brutalist Torch-Cut Mixed Metal Wall Sculpture by J. Underwood McMann

Fine Art - Sculpture

AI Estimated Value

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$4,500 - $6,500

As of June 15, 2026

AI Item Analysis

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This is a significant Brutalist-style wall sculpture by artist J. Underwood McMann, characteristic of the mid-20th-century modern aesthetic, likely dating from the 1960s or 1970s. The piece is a complex multi-layered horizontal composition featuring various geometric shapes including squares, circles, triangles, and rectangular beams. It is constructed from mixed metals, primarily brass or bronze-toned steel, with distinct torch-cut edges that provide a raw, organic texture typical of the Brutalist movement. The surface exhibits a rich, multi-tonal patina with dark, scorched decorative patterns applied to many of the flat surfaces, possibly using an acid etching or fire-gilding technique. The construction is robust, utilizing a layered structural framework where smaller elements are welded onto a central lattice of heavy bars. As specified, the piece is signed J. Underwood McMann and includes a limited edition or series number, which indicates the piece's authenticity and higher production value. The condition appears consistent with its age, showing a natural developing patina and slight surface oxidation which is typical and often preferred for this style of art. The craftsmanship is evident in the dynamic use of negative space and the balanced yet chaotic arrangement of the geometric components.

AI Appraisal Report

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I have examined the digital representations of this Brutalist torch-cut mixed metal wall sculpture attributed to J. Underwood McMann. The piece exhibits the quintessential hallmarks of the 1960s-70s Brutalist movement, specifically the layered geometric complexity and aggressive oxidation characteristic of McMann’s catalog. My assessment of the condition via the provided imagery indicates a well-preserved original patina with desirable atmospheric aging. The presence of both a signature and edition number significantly elevates this piece above the more common anonymous 'C. Jeré style' imports found in the secondary market. Current market demand for signed American mid-century metalwork remains robust, with high-end interior designers and collectors driving prices for large-scale, signed-edition McMann works into the mid-to-high four-figure range. The limited edition status suggests this was part of a controlled studio series rather than a mass-market production, adding to its rarity. However, visual inspection alone cannot satisfy full authentication protocols. A definitive valuation requires an in-person examination to verify metal composition, weld integrity, and the forensic application of the signature to ensure it wasn't added post-production. I would also recommend reviewing provenance documentation or a bill of sale from a recognized gallery to eliminate the risk of high-quality period counterfeits. This appraisal assumes the structural lattice is sound and the dimensions are consistent with the artist’s known oversized horizontal installations.

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