AI identification & appraisal estimate

Cobalt blue pressed glass bowl

Submitted photo of Cobalt blue pressed glass bowl
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$45–$85

AI estimate as of September 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 decorative, three-lobed or clover-shaped bowl made from rich cobalt blue pressed glass, displayed resting on a polished wooden surface. The piece is characterized by intricate geometric and floral pressed patterns, prominently featuring hobstars, fan motifs, and pointed sawtooth or scalloped edges along the undulating rim. The interior surface of the bowl is highly textured with a combination of sharp prisms, diamond patterns, and radiating starbursts that catch and reflect light, creating a sparkling visual effect. The walls of the bowl are divided into three distinct sections by smooth, plain vertical panels or ribs extending down toward the center. The glass exhibits a deep, vibrant cobalt coloration typical of mid-20th-century glassware production, though the exact period and maker remain unverified due to the absence of any visible maker's marks, signatures, or stamps in the provided photograph. There is no obvious structural damage such as chips or major cracks visible in the image, but the piece shows standard surface reflection and minor handling wear consistent with vintage glassware. The quality of the pressing appears sharp and well-defined, suggesting a mold-pressed production method rather than hand-cutting, often associated with American or European glassware manufacturing from the mid-century or earlier decorative periods. The identification is based entirely on visual characteristics, pattern layout, and color.

AI Appraisal Report

Based on what I can see in the photograph, this decorative three-lobed bowl is fashioned from rich cobalt blue pressed glass featuring intricate geometric and floral motifs, including hobstars, fan patterns, and a scalloped rim. The pressing appears sharp and well-defined, suggesting mold-pressed production typical of mid-century or earlier decorative glassware. However, I can't verify from a photo whether the piece is vintage American/European production or a later reproduction, as there are no visible maker's marks, signatures, or stamps. I would need physical inspection to confirm the glass composition, mold seams, and wear patterns. Assuming the attribution to mid-century pressed glass is correct, items of this type generally trade in the $45 to $85 range depending on current decorative demand and minor handling wear. If the piece is determined to be a modern reproduction, copy, or 'in the style of' production rather than vintage glassware, the value would likely drop to the $15 to $30 range. To establish full authentication and precise value, an in-person examination by a glass specialist, hallmark verification if any exist, and physical inspection for age-related micro-abrasions would be necessary.

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