AI identification & appraisal estimate

American Brilliant Period Cut Glass Banana Boat

This name is the AI's identification of the item — it may be incorrect.

Submitted photo of American Brilliant Period Cut Glass Banana Boat
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$450 - $650

AI estimate as of April 28, 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.

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AI Item Analysis

This is a fine example of American Brilliant Period (ABP) cut glass, specifically a banana boat or elongated oval fruit bowl. The piece features high-quality leaded clear glass with deep, precision hand-cutting. It exhibits an ornate sawtooth or scalloped rim, which is characteristic of the late 19th to early 20th-century craftsmanship. The side patterns consist of vertical miter cuts and cross-hatched motifs that create high prismatic refraction. Structurally, it is curved upward at both ends to cradle fruit. The glass appears to have excellent clarity, suggesting a high lead content common in pieces produced between 1876 and 1917. In terms of condition, there are minor flea bites along the sharp edges of the sawtooth rim, which is typical for glass of this age and style. No major cracks or restorative work are visible. The base likely features a large multi-point star or 'hobstar' pattern, although it is partially obscured in the image. This period of glassmaking represents the pinnacle of American glass decorative arts, characterized by heavy, thick-walled blanks and intricate, light-dispersing geometric designs.

AI Appraisal Report

I have conducted a visual examination of this American Brilliant Period (ABP) cut glass banana boat. The specimen exemplifies the 'Brilliant' era (1876–1917) through its high lead-oxide content, resulting in exceptional clarity and high refractive index. The deep miter cuts and intricate hobstar variations suggest a high-quality blank, likely from a reputable manufacturer such as Hoare, Libbey, or Hawkes, though no signature was immediately identified. The condition is consistent with age; while the sawtooth rim exhibits minor flea bites, this is expected in authentic period glass and does not significantly detract from its display value. Market demand for ABP glass has stabilized after a historic peak, with collectors currently favoring unique functional forms like this banana boat over standard round bowls. Current auction realized prices and 'sold' comparables for unsigned ABP pieces of this intricacy typically fall within the $450 to $650 range. Pieces with verified signatures or documented patterns (e.g., Libbey’s 'Princess' or 'Anderson') can command higher premiums. It is important to note that this appraisal is based on photographic evidence. A definitive authentication requires physical inspection to verify the 'ring' of the leaded glass, weight, and the presence of gray-cutting or wood-wheel polishing marks characteristic of the era. To confirm the top-tier valuation, I would recommend checking for acid-stamped signatures usually found in the center of the bowl and reviewing any provenance documentation regarding its chain of ownership. Scientific testing with a short-wave UV light could further verify age by looking for the characteristic lime-green fluoresce of manganese used in the batch during this period.

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