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 · June 20, 2026

User's notes

mod dep

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.

Note

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 Identification

·Not independently authenticated·Verify before acting

Clear Glass Square Decanter with Stopper

Glassware

AI Estimated Value

·Not an official valuation·Verify before acting

$40 - $85

As of June 20, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item is a clear glass decanter featuring a distinct square or diamond-shaped base that tapers upwards into a cylindrical neck. It includes a matching clear glass stopper with a flared, hourglass-shaped profile. The construction appears to be molded glass, evidenced by visible seam lines running vertically along the corners of the body and through the neck and stopper. The glass shows a slight bluish-green tint at the thicker edges, which is common in many types of utilitarian or decorative glassware. The owner identifies this as 'mod dep', a term consistent with a registered design mark often found on European (frequently Italian or French) mid-20th-century glassware. However, this attribution is unverified as no mark is clearly legible in the provided photograph. The piece is stylistically consistent with mid-to-late 20th-century barware. Condition appears fair, though there are visible scuffs on the glass surface and potential internal cloudiness or residue near the base corners. The craftsmanship suggests a mass-produced decorative object rather than hand-blown art glass.

AI Appraisal Report

·AI can make mistakes·Verify before acting
Based on my visual analysis of the clear glass decanter, I can provide a market estimate for an item of this type. The owner identifies this as 'mod dep,' which typically suggests a registered design of European origin, possibly mid-century Italian or French. Based on what I can see, the piece is stylistically consistent with late 20th-century mass-produced barware. I cannot verify the 'mod dep' mark from the photo, nor can I definitively attribute the piece to a specific designer or glassworks. The visible seam lines and greenish-blue tint at the edges are indicative of molded, utilitarian glass rather than artisanal, hand-blown crystal. The provided estimate assumes the item bears a mark consistent with the owner’s 'mod dep' claim. If the attribution is correct and the mark is legible, it would likely fall in the $60-$85 range for collectors of vintage barware. If the piece remains unattributed or is a later generic copy 'in the style of' mid-century European glass, the value would likely drop to the $15-$30 range. Condition issues, such as the noted scuffs and internal residue, negatively affect the valuation. Market demand for mid-century molded glass decanters remains steady for decorative use, though mass-produced items lack the high premiums of signed art glass. To confirm this attribution, I would need a physical inspection to verify the hallmark's placement, evaluate the glass resonance, and check for specific wear patterns. A definite identification cannot be made without examining the base and clarity in person to rule out modern reproductions.

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