AI identification & appraisal estimate

Mid-Century Modern Smoked Glass Square Base Goblet

Submitted photo of Mid-Century Modern Smoked Glass Square Base Goblet
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$15.00 - $25.00

AI estimate as of January 9, 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 vintage stemware vessel, likely a water or wine goblet, characterized by a distinct Mid-Century Modern aesthetic. The piece features a two-tone construction: a clear glass bowl on top of a smoked gray or charcoal-tinted glass base. The bowl is cylindrical with a slight taper toward the bottom, leading into a short, thick stem. The most distinguishing feature is the heavy, square-shaped base with rounded corners, finished in a dark smoked glass that provides a striking visual contrast to the upper clear glass portion. The craftsmanship suggests a pressed glass manufacturing process common in the mid-to-late 20th century, approximately 1960s or 1970s. This design is highly reminiscent of styles produced by companies like Libbey or Morgantown. The item appears to be in good used condition with no visible chips or cracks, although a retail sticker is present on the side. The glass clarity is high, and the thick base provides substantial weight, indicating a durable quality for domestic use. The combination of geometric shapes and the smoked glass palette is a hallmark of the era's minimalist glassware trends.

AI Appraisal Report

I have completed a visual assessment of this Mid-Century Modern vessel, identified as a 'Nordic' or 'Scandia' style goblet, likely manufactured by the Libbey Glass Company circa 1960s-1970s. The piece demonstrates classic machine-pressed characteristics typical of high-volume American glassware from this era. The condition appears 'Excellent' with no visible flea bites, chips, or clouding; the presence of an original retail sticker suggests minimal use, which is a positive factor for collectors. Market demand for smoke-glass MCM barware remains steady, though these specific square-base goblets were mass-produced, making them relatively common rather than rare. Comparables for single stems typically fall in the $10 to $25 range, whereas full sets of eight often command a premium ($120-$160). The value is currently driven more by aesthetic 'decorator' appeal than by high-end glass manufacturing scarcity. While the visual evidence strongly suggests Libbey's 'Smoke' line, I must note that definitive authentication is limited by image-based inspection. To confirm the manufacturer and ensure the piece is not a later reproduction, I would need a physical examination to check for mold seam consistency, base wear patterns, and a weight/density check of the glass. The sticker, while indicating provenance, does not appear to be an original manufacturer's foil label, which would have increased the valuation slightly. No scientific testing is required, but a tactile inspection for surface scratches or internal annealing marks would be necessary for a 'Fine' condition grade.

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