AI identification & appraisal estimate

Sanyu Style Seated Nude Figure

Submitted photo of Sanyu Style Seated Nude Figure
Photo submitted by the user — not generated by AI

User's notes

Sanyu on board

These notes were written by the person who submitted this item. Appraiser.AI has not verified them, and the AI's identification and estimate may rely on them.

AI Estimated Value

Not an official valuation

$1,500,000 - $2,500,000 (Subject to Full Authentication)

AI estimate as of February 2, 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.

This analysis also relies on unverified notes provided by the user, which may be incomplete or inaccurate and could affect the result.

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AI Item Analysis

This artwork depicts a stylized seated nude figure, executed in a manner consistent with the works of Chang Yu, professionally known as Sanyu. The composition features a central figure rendered with bold, thick black outlines that emphasize the simplified, rounded anatomical forms. The color palette is restricted and earthy, primarily utilizing shades of ochre and tan for the figure's skin, set against a pale celadon or light green background. The physical medium appears to be pigment on board, as noted by the supplementary context. The figure is shown from the back/side, with a distinctive emphasized hip and thigh structure that is a hallmark of Sanyu's mid-century aesthetic. A small square red or dark stamp, possibly a seal, is visible in the lower left corner of the central image area, suggesting an artist's mark. The central rectangular image is inset within a large, neutral tan border and protected by a thin black contemporary frame. The condition appears stable with no immediate signs of flaking or moisture damage, though the surface texture shows a slight sheen consistent with oil or lacquer on a rigid substrate. The piece reflects the Early Modernist style of the 1930s-1950s, blending Chinese calligraphic tradition with Parisian avant-garde sensibilities. Due to the high value and prevalence of Sanyu reproductions, authentication of the board and pigment age would be required for a formal valuation.

AI Appraisal Report

I have conducted a visual examination of this seated nude figure attributed to Sanyu (Chang Yu). The work exhibits the 'minimalist' aesthetic characteristic of his later Parisian period, specifically the 1930s-1950s. The 'iron wire' calligraphic outlines and the exaggerated voluptuousness of the thighs are hallmark traits of the artist. The use of oil on board is consistent with his preferred medium during his years of financial hardship. The condition appears stable, with typical surface sheen and no apparent craquelure often found in aged oil on rigid substrates. The market for Sanyu is currently at a historic peak, with Modernist African and Asian works seeing intense demand in Hong Kong and international markets. Comparables for authenticated oil on board nudes of this size often exceed seven figures at Sotheby’s and Christie’s. However, Sanyu is among the most forged artists of the 20th century. High-quality reproductions and 'Ecole de Paris' style pastiches are common. Critically, a definitive appraisal is impossible via digital image alone. To reach the multi-million dollar valuation, a 'Certificate of Authenticity' from the Rita Wong/Sanyu Catalogue Raisonné committee is required. A physical inspection must confirm the age of the board substrate via carbon-14 dating or forensic pigment analysis to ensure the materials are period-correct. Furthermore, provenance (the history of ownership) is the most significant factor in value; without a documented chain of custody from a reputable French or Chinese collection, the piece would be valued as a 'Style of' work at $2,000 - $5,000. My current valuation assumes the artwork’s eventual verification as an original masterwork.

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