AI Appraisal Estimate

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Submitted photo · June 2, 2026

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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

·Not independently authenticated·Verify before acting

American Masterworks: The Twentieth Century House

Books & Manuscripts

AI Estimated Value

·Not an official valuation·Verify before acting

$45–$70

As of June 2, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This is a large-format hardcover book titled 'American Masterworks: The Twentieth Century House,' likely a first edition or primary printing of this architectural survey. The front cover features a high-gloss dust jacket with a striking full-color photograph of Philip Johnson’s iconic 'Glass House' in New Canaan, Connecticut, captured at dusk with internal lighting. The typography is set in a bold, white serif and sans-serif font across the bottom third of the cover. Physically, the book appears to be a coffee-table style publication, characterized by its square or near-square dimensions and substantial thickness, suggesting high-quality paper stock and numerous photographic plates within. The construction involves a sewn binding visible through the tight fit of the jacket. The condition appears excellent with minimal shelf wear; the dust jacket shows a bright luster without significant scuffing, edge tears, or sun-fading on the primary face. This volume serves as a comprehensive scholarly and visual record of Modernist and mid-century residential architecture in America, typically featuring works by Frank Lloyd Wright, Mies van der Rohe, and Richard Neutra. The crispness of the corners and the lack of visible foxing or yellowing indicate a well-preserved contemporary copy, likely dating from the late 1990s to early 2000s.

AI Appraisal Report

·AI can make mistakes·Verify before acting
I have conducted a visual examination of 'American Masterworks: The Twentieth Century House' (published by Rizzoli, originally 1995). My assessment finds the book in 'Near Fine' to 'Fine' condition. The dust jacket retains high luster with no evident shelf-wear, bumping to the spine, or UV-driven color fading—common issues for large architectural volumes of this weight. The square binding remains tight, suggesting the book has been carefully shelved or stored flat. Market conditions for late 20th-century architectural surveys are stable but the volume is not inherently rare. Rizzoli had high production runs for these titles. Comparables on the secondary market for the 1995 or 2002 editions typically range from $35 to $85 depending on the specific printing and jacket state. Demand is driven primarily by interior designers and collectors of Modernist ephemera rather than rare manuscript bibliophiles. The item’s value is maximized by its superior aesthetic presentation. However, significant factors affecting value include the edition number (1st versus later printings) and the state of the internal hinges, which I cannot inspect via image. Limitations to this appraisal include the inability to verify the integrity of the binding, check for internal foxing, or identify a signature or inscription which could increase value (e.g., Kenneth Frampton). For a full authentication of a first edition, an in-person inspection of the copyright page and a verification of the ISBN (0847819061) is required. No scientific testing is necessary as this is a contemporary mass-produced volume, but provenance regarding its original purchase would assist in confirming its edition status.

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