AI Appraisal Estimate

AI-generated estimates · not official valuations

From the user

What was submitted

Photo and notes provided by the user — not generated by AI

Submitted item photo
Submitted photo · July 21, 2026

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No additional notes provided.

AI analysis below

AI appraisal

AI analysis & estimate

AI-Generated · Verify before acting

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

Mixed-media work on paper bearing a signature reading "M. Diatlema '86"

Original Art

AI Estimated Value

·Not an official valuation·Verify before acting

$300 - $600

As of July 21, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item appears to be a mixed-media or pastel work on paper, viewed through a reflective glazing (likely glass or acrylic). The piece features a textured, expressive application of pigment with a color palette dominated by dusty reds, charcoal grays, deep blues, and subtle hints of yellow. The composition is atmospheric and abstract in nature. A prominent marking is handwritten in the lower section, bearing a signature that appears to read "M. Diatlema" followed by the year marking "'86." The signature is rendered in a dark, possibly ink-based medium in a slanted, stylized script. The surface shows a slightly granular texture characteristic of pastels or charcoal on a heavy-weight paper. Regarding condition, there are visible reflections across the surface from the glazing, and the paper itself appears slightly wavy, which may indicate it is not fully adhered to a backing. The presence of the signature and date suggests a late 20th-century origin, stylistically consistent with modern abstract expressionist tendencies of the 1980s. Without physical inspection of the substrate and media, this attribution and date remain a hypothesis based on visible markings that are themselves unverified.

AI Appraisal Report

·AI can make mistakes·Verify before acting
I have examined the provided image of a mixed-media work on paper. Based on what I can see, the piece features an expressive, abstract composition characterized by a palette of dusty reds and charcoal grays. The work bears a signature and date reading 'M. Diatlema '86' in the lower section. It is important to note that I cannot verify the medium or the substrate from a photo alone; while it appears to be pastel or charcoal, a physical inspection is required to confirm the stability of the pigment and the type of paper used. The waviness of the paper suggests potential mounting issues or minor environmental impact, which would need to be addressed to preserve the work. This estimate is based on the hypothesis that the signature is consistent with a late 20th-century artist working in an abstract expressionist style. The valuation reflects the general market interest for unidentified or mid-market abstract works of the 1980s. I am treating the attribution as a working assumption; to confirm the authorship, one would need provenance documentation or a comparison with a catalog raisonné of the artist’s work. If this piece were found to be a reproduction or a later work 'in the style of' the signed name, its market value would likely fall to a decorative range of $50 - $100. Professional authentication and a check for acidic matting during a physical examination would be necessary to establish a more precise value.

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