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 · May 28, 2026

User's notes

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.

Read the full disclaimer

AI Identification

·Not independently authenticated·Verify before acting

Demarteau Engraving: Princesse Royale Charlotte Marie de la Palatine

Print

AI Estimated Value

·Not an official valuation·Verify before acting

$350-550

As of May 28, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item is an antique framed stipple engraving, likely from the late 18th or early 19th century, depicting a portrait of a young woman. The print is executed in a monochromatic red or sanguis-like tone, creating a soft, warm visual effect characteristic of stipple engravings of that period. The portrait is oval-shaped, set within a rectangular frame. The young woman is shown from the bust up, facing slightly left, with a demure expression. Her hair is styled in an updo, adorned with what appears to be a ribbon or band. She wears clothing with a low neckline, decorated with floral elements on her bodice. Visible text below the oval portrait includes French inscriptions that identify the subject as part of the French Royal Family or nobility, specifically mentioning "Princesse Royale Charlotte Marie de la Palatine." Further inscriptions denote the engraver's name as "Demarteau C. Sc.“ or "Demarteau C. Sculp.", indicating the work of Gilles Demarteau, a prominent French engraver known for his crayon manner and stipple engravings. The print is meticulously matted with multiple borders and housed in a gold-colored wooden frame, likely gilt. The overall condition appears good for its age, though there is some minor discoloration or foxing visible on the matting, particularly along the bottom edge, suggesting age and potential exposure to humidity. The frame itself shows some wear consistent with age, but no significant damage is apparent. The craftsmanship of both the engraving and the framing suggests a piece of quality, typical of aristocratic portraiture of the specified era.

AI Appraisal Report

·AI can make mistakes·Verify before acting
Based on my examination of the provided images, this item is a fine example of an 18th-century stipple engraving by the noted French artist Gilles Demarteau. The piece appears authentic, with the characteristic crayon-manner style, sanguis tone, and signature consistent with Demarteau's known oeuvre. The subject, Princesse Royale Charlotte Marie de la Palatine, is a desirable one for collectors of French rococo portraiture. The print itself is in very good condition with a clear impression. While the matting shows some minor foxing and the gilt frame has age-appropriate wear, these do not significantly detract from the central artwork's value. The market for Demarteau's engravings is stable. Similar framed portraits by the artist have recently sold in the range of $300 to $700. The primary factors supporting its value are the artist's renown and the overall high-quality presentation. The main detractor from a higher valuation is the foxing present on the matting. It is important to note that this appraisal is based on images alone. For full authentication and valuation, a physical inspection is essential. This would involve carefully de-framing the piece to examine the paper for watermarks or platemarks, which can help confirm the period. Furthermore, any available provenance documentation, such as previous sale records or gallery labels, would be critical in substantiating its history and maximizing its market value.

Get your items appraised

Instant estimates of your treasures with AI-powered appraisals

Browse More Appraisals