AI Appraisal Estimate

This is a medium-sized decorative vase crafted from clear, heavy-pressed glass. It features a distinct spiral or 'swirl' pattern that originates from the base and twists upward toward the rim. The vessel's silhouette is characterized by a narrow, cinched waist that flares dramatically to a scalloped,扇形 (fan-shaped) opening. The construction indicates a mold-blown or pressed glass technique, resulting in deep vertical ribs that provide structural thickness and create a play of light through the glass. The base is weighted for stability. There are no visible maker's marks, signatures, or acid stamps typical of high-end crystal like Waterford, suggesting a mid-to-late 20th-century mass-production origin, possibly by companies such as Anchor Hocking or Fenton. The condition appears excellent with good clarity, though visible mold seams may exist along the sides. No major chips or cracks are noted from the photograph, although light shelf wear or faint surface scratches on the base are expected for an item of this vintage. The stylistic influence is neoclassical with a modern twist, making it a versatile piece of functional tabletop decor.

I have virtually examined this medium-sized clear glass spiral swirl vase. The item exhibits characteristics consistent with mass-produced soda-lime glass from the mid-to-late 20th century. The presence of a scalloped rim and deep vertical ribbing indicates a machine-pressed or mold-blown process. The lack of a pontil mark or acid-etched signature suggests it was produced by a high-volume manufacturer such as Anchor Hocking or a similar American or European glassworks, rather than a luxury house like Waterford or Baccarat. The condition appears to be 'excellent' with no visible chips or clouding (sickness) in the glass, though light shelf wear on the base is assumed. The market for non-designer decorative glassware is currently saturated. Modern buyers prioritize brand prestige or unique artist-signed pieces; therefore, this item functions primarily as a utilitarian decorative object rather than a high-yield investment collectible. Similar examples commonly sell in secondary markets (online auctions, antique malls) within the $15-$25 range. Factors limiting its value include its common clear colorway and anonymous origin. Limitations: This appraisal is based on photographic evidence only. A physical inspection is required to check for 'flea bites' along the seams and to verify the glass composition via weight and resonance. Without a maker's mark or original provenance documentation (such as a labeled box or receipt), the specific manufacturer cannot be definitively identified. Scientific testing (UV light exposure) would be necessary to check for manganese or other additives that could more precisely date the glass batch.