AI Appraisal Estimate

AI-generated estimates · not official valuations

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Submitted photo · June 5, 2026

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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

Hobnail Glass Tumbler

Vintage Glassware

AI Estimated Value

·Not an official valuation·Verify before acting

$15-25

As of June 5, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This is a cylindrical drinking tumbler crafted from thick-walled glass featuring an all-over hobnail or 'bubble' texture. The glass exhibits a distinct pale green or aquamarine tint, suggesting the presence of iron impurities common in soda-lime glass or recycled materials. The construction is characterized by numerous raised, rounded protrusions (hobnails) that cover the majority of the exterior body, transitioning to a smooth rim at the top for comfortable drinking. These decorative elements provide both aesthetic interest and a tactile, non-slip grip. Each hobnail appears to be molded as part of the vessel's body. The glass has a slightly rustic, artisanal quality with subtle variations in the clarity and spacing of the decorative bumps. The condition appears fair to good used condition, showing some surface cloudiness or light mineral deposits near the base, likely from frequent use or hard water exposure. There are no visible chips or cracks on the primary surfaces visible in the image. This style is reminiscent of mid-20th-century American glassware or contemporary artisanal reproductions of the classic 'thousand eyes' pattern. The rim is slightly rounded, indicating a fire-polished finish. The piece lacks obvious maker's marks on the visible sides, though a pontil mark or embossed logo may be present on the underside of the base.

AI Appraisal Report

·AI can make mistakes·Verify before acting
Based on my visual examination of the pale green hobnail tumbler, I have assessed it as a mid-20th-century soda-lime glass vessel. The aquamarine tint and molded hobnail pattern are characteristic of mass-produced American kitchenware from the 1940s through the 1960s, notably styles produced by firms like Fenton or Anchor Hocking, though the lack of a visible maker's mark suggests it may be a generic period piece. The condition is fair to good; while there are no structural cracks, the visible cloudiness and mineral deposits at the base indicate frequent use and hard water exposure, which detracts from its display value. The market for individual mid-century tumblers is currently stable but saturated, as these were produced in vast quantities. Comparables for single units typically fall in the $10 to $20 range, with higher values reserved for complete sets or rare colors like 'cranberry' or 'opalescent.' This specific green glass is common and lacks the rarity to command a premium. Please note that this appraisal is based on photographic evidence. A physical inspection is required to check for 'flea bites' on the rim, internal stress fractures, or a ground pontil mark which could indicate an earlier or more artisanal origin. Scientific testing of the glass composition would be necessary to distinguish between vintage soda-lime glass and modern recycled glass reproductions which often mimic this artisanal, rustic aesthetic.

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