AI Appraisal Estimate

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Submitted photo · June 23, 2026

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AI appraisal

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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

·Not independently authenticated·Verify before acting

Mark Stock 'Modernism' San Francisco International Art Exposition Poster

Exhibition Poster

AI Estimated Value

·Not an official valuation·Verify before acting

$150-250

As of June 23, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item is a framed exhibition poster for 'Modernism: San Francisco International Art Exposition', featuring artwork by Mark Stock. The poster is encased in a dark-toned wooden frame with a subtle, distressed or antique-like finish, possibly black or dark brown with hints of gold or bronze near the inner edge, offering a classic aesthetic. The frame has a slightly ornate profile, suggesting a transition from a flat surface to a raised, rounded outer edge. Inside the frame, a double matting system is visible. The outer mat is a muted greenish-gray, and the inner mat is a contrasting brick red, enhancing the colors within the central image. The poster itself features a prominent image of a young woman intently looking at a lit candle, with a glass of wine nearby, creating a moody and introspective atmosphere. This central image is likely a reproduction of a Mark Stock painting. Above the image, 'MARK STOCK' is printed in large, bold, sans-serif capital letters. Below the main image, text details the exhibition: 'SAN FRANCISCO INTERNATIONAL ART EXPOSITION', 'OCTOBER 2-4, 1998', and the word 'MODERNISM' in a distinctive modern font. Below 'MODERNISM' are further details including location ('455 MARKET STREET, SAN FRANCISCO, CA 94105') and contact information ('TUES-SAT 10-5:30 (415) 541-0461 FAX 541-0425'). There is also some handwritten script above 'MODERNISM', which appears to be a signature or an inscription, adding a unique personalized touch; it reads "To Lynne - Sincerely, Mark Stuk [unclear last word]". The overall condition of the frame appears good, with some minor scuffs or wear visible on the surface consistent with age and handling. The poster within the frame appears to be well-preserved, without visible creasing, fading, or damage, protected by glass or acrylic. The poster's design reflects a late 20th-century aesthetic, indicative of its 1998 exhibition date.

AI Appraisal Report

·AI can make mistakes·Verify before acting
I have examined the provided image of the Mark Stock 'Modernism' San Francisco International Art Exposition Poster. The poster appears to be in very good condition, well-preserved within its frame, with no visible creasing, fading, or significant damage to the print itself. The dark-toned, slightly ornate wooden frame with a double matting system (greenish-gray and brick red) is aesthetically pleasing and enhances the presentation. The frame shows minor scuffs or wear consistent with age and handling, which is typical. Authenticity of the print as an exhibition poster for the 1998 'Modernism' show is confirmed by the visible text and dates. The handwritten inscription "To Lynne - Sincerely, Mark Stuk [unclear last word]" suggests a personalized signature, which, if authenticated as Mark Stock's, would add a personal touch and potentially increase its desirability among collectors. My assessment of authenticity for the signature is limited to visual inspection; a physical examination to compare it with known examples of Stock's signature would be crucial for full verification. Market conditions for exhibition posters, even signed ones, are generally moderate unless the artist is highly sought after or the poster design is iconic. Mark Stock is a respected artist, but his exhibition posters typically do not reach very high values unless they are exceptionally rare or uniquely significant. Demand for this specific poster is likely confined to collectors of Mark Stock's work or enthusiasts of San Francisco art history from that period. The rarity is moderate; while not mass-produced, it's an exhibition poster, meaning multiple copies were printed. The value is primarily driven by the artist's recognition and the condition, with a potential uplift if the signature is definitively authenticated. Without physical inspection, especially for the signature and the quality of the print, these observations are based solely on visual cues from the image provided.

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