AI identification & appraisal estimate

American Brilliant Period Cut Glass Oval Centerpiece Bowl

Submitted photo of American Brilliant Period Cut Glass Oval Centerpiece Bowl
Photo submitted by the user — not generated by AI

User's notes

Clear, heavy, sawtooth cut around the rim, with several different designs cut around the perimeter of large oval boat shaped dish or bowl

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

$450 - $700

AI estimate as of February 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 significant American Brilliant Period (ABP) cut glass centerpiece bowl, characterized by its elongated boat-shaped or oval silhouette. The vessel is crafted from high-quality, heavy lead crystal, which provides exceptional clarity and a characteristic spectral brilliance when interacting with light. The rim features a sharply executed sawtooth or scalloped edge, a hallmark of the period's intensive labor. The exterior surface is densely decorated with a complex array of hand-cut geometric patterns arranged in vertical and horizontal registers. These include large hobstars, fine cross-hatching (diamond point), fan cuts, and strawberry diamond motifs. The deep, crisp mitre cuts indicate a high level of craftsmanship consistent with major glass houses of the late 19th to early 20th century, such as Libbey, Hawkes, or Dorflinger. The condition appears excellent with no major cracks visible, though typical for its age (c. 1885-1915), the sharp sawtooth rim likely possesses micro-flea bites or minor abrasions from handling. The base likely features a large starburst or rayed cutting to complete the design.

AI Appraisal Report

This American Brilliant Period (ABP) oval centerpiece bowl exhibits the high-quality lead content and intricate hand-cutting techniques characteristic of the 'Brilliant' era (1876-1916). Based on my visual examination, the vessel showcases exceptional clarity and sharp mitre cuts, specifically the large hobstars and micro-diamond cross-hatching. The sawtooth rim is particularly well-executed, though I have factored in the presence of minor 'flea bites' common in glassware of this age. The market for ABP glass has softened from its peak in the 1990s, but large, complex forms like this boat-shaped oval remain desirable to collectors. Comparables from major houses such as Hawkes or Libbey currently realize between $400 and $800 at auction depending on the specific pattern complexity. The value is driven by the sheer scale of the piece and the density of the cutting. However, a primary limitation of this digital assessment is the inability to confirm the presence of an acid-stamped signature, which can double the value if linked to a premium maker like Dorflinger. Authenticity is suggested by the apparent weight and grey/purple tint often found in vintage lead glass, but definitive verification would require an in-person inspection to test for UV fluorescence (to distinguish from modern reproductions) and to check for hidden chips or 'polishing out' of damage. Provenance documentation or an original catalog match would further solidify this valuation.

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