AI identification & appraisal estimate

Early American Pattern Glass (EAPG) Punch Cup

Submitted photo of Early American Pattern Glass (EAPG) Punch Cup
Photo submitted by the user — not generated by AI

User's notes

Vintage glassware

These notes were written by the person who submitted this item. Appraiser.AI has not verified them, and the AI's identification and estimate may rely on them.

AI Estimated Value

Not an official valuation

$15.00 - $25.00

AI estimate as of March 3, 2026 · verify with a professional before acting

AI-Generated · Verify before acting

Everything on this page 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.

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 Item Analysis

This is a vintage punch cup crafted from clear pressed glass, consistent with Early American Pattern Glass (EAPG) production from the late 19th to early 20th century. The piece features a complex geometric and floral motif, prominently displaying 'pinwheel' or 'starburst' cuttings and hobstars, which were popular during the Brilliant Period of American glass. The cup is designed with a rounded body, a slightly flared rim, and a small, integral C-shaped handle. The glass exhibits a high level of transparency and light-refractive properties, characteristic of high-quality leaded or lime glass blends often used by manufacturers like Fostoria or Heisey during this era. Regarding condition, the glass appears crisp with sharp definition in the pattern, though close inspection suggests minor surface wear and faint cloudiness typical of age and washing. No major chips, cracks, or structural failures are immediately visible in the provided image. The craftsmanship is evidenced by the symmetry of the pressed patterns and the seamless integration of the handle to the body, reflecting the robust manufacturing standards of the post-Victorian period.

AI Appraisal Report

Upon visual examination of this clear pressed glass punch cup, the piece displays characteristic features of the Early American Pattern Glass (EAPG) era, specifically imitating the 'Brilliant Period' cut glass style. The pattern, featuring pinwheels and hobstars, suggests a production date between 1890 and 1915. The symmetry of the design and the clarity of the glass indicate a quality manufacturer, possibly in the Ohio River Valley region. While the item shows crisp pattern definition, the noted faint cloudiness and minor surface wear are common for functional glassware of this age. The market for individual EAPG punch cups is currently stable but modest, as these items were mass-produced in large sets. Collectors typically seek complete sets with the matching bowl; individual pieces primarily serve as replacements. The value is driven by the popularity of the 'Brilliant' aesthetic rather than extreme rarity. This appraisal is based solely on digital imagery. For a definitive authentication, an in-person examination is required to check for a 'pontil mark' on the base, test the glass under ultraviolet light for a green or yellow-green fluorescence (indicating manganese or uranium content), and assess the 'ring' or resonance of the glass when tapped. Furthermore, measuring the weight and checking for specific maker's marks, such as the Heisey 'H in a diamond' or Fostoria signatures, would be necessary to confirm the specific manufacturer and elevate the piece beyond a general attribution.

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