AI identification & appraisal estimate

Large crystalline-glazed ceramic or glass vase

Submitted photo of Large crystalline-glazed ceramic or glass vase
Photo submitted by the user — not generated by AI

User's notes

Herman stolken crystal

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

$800 - $1,200

AI estimate as of July 10, 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 item is a large, globular-shaped vessel featuring a distinctive scalloped or 'ruffled' rim and a narrow neck wrapped with what appears to be decorative cord or twine. The body of the piece displays a complex surface texture with large, fan-like patterns that are stylistically consistent with crystalline glazes often found in high-end art pottery or specialized glasswork. The color palette consists of iridescent creams, pale greens, and silvery-white tones. The owner identifies this as 'Herman stolken crystal' (likely a reference to glass artist Herman Stölting), though no signature or maker's mark is visible in the provided image to verify this claim. Physical characteristics include a wide, rounded shoulder tapering to a smaller base. The surface appears highly reflective, suggesting a glass or polished ceramic composition. There are no obvious cracks visible, though some minor surface irregularities may exist as part of the handmade process. The overall aesthetic is consistent with late 20th-century or contemporary studio art glass/pottery. Due to the lack of clear marks, this attribution remains a hypothesis subject to physical inspection.

AI Appraisal Report

Based on my visual analysis of the provided images, this vessel displays characteristics consistent with high-quality studio glass, specifically the large-scale crystalline or 'ice-glass' texture associated with contemporary art glass. The owner identifies this as 'Herman stolken crystal,' which I interpret as a reference to the glass artist Herman Stölting. From what I can see, the complex, fan-like iridescence and the ruffled rim align with the aesthetic of Stölting’s studio work, though I cannot confirm the maker’s identity from a photo alone, particularly as no signature or acid-etched mark is visible. The decorative wrap on the neck is a distinctive feature, but its purpose—whether structural or purely ornamental—would require physical inspection to determine. This estimate assumes the attribution provided by the owner is correct and that the piece is in excellent condition without internal fractures or chips. The market for studio glass generally favors signed pieces with clear provenance; if this item is confirmed to be by a known artist like Stölting through a signature or documentation, it would likely reach the $800-$1,200 range at a specialized auction. However, if it is found to be an unsigned piece 'in the style of' or by an anonymous maker, the value would likely decrease to $150-$300. To move beyond this hypothesis, I would recommend an in-person examination to locate a signature and verify the glass composition. The final value is contingent upon such authentication.

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