AI Appraisal Estimate

This is a substantial hand-blown art glass vase, likely originating from the mid-20th century. The piece features a dramatic tri-lobed or 'swung' handkerchief-style rim with deep undulations. It is constructed using a cased glass technique, appearing to have a dark amethyst or black interior layer encased in a thick milky white or opaque light grey outer layer. The base is thick and weighted, showing typical signs of a ground pontil mark, which is characteristic of higher-quality hand-blown production. Physically, the vase stands approximately 8-10 inches tall with a wide flared top narrowing into a structured pedestal base. The craftsmanship displays heavy glass manipulation common in Mid-Century Modern designs, similar to those produced by Murano makers in Italy or American companies like Viking or Blenko. There is a visible reddish-brown surface discoloration on the front, which appears to be a residue or adhesive stain rather than a defect in the glass itself. No major chips or cracks are immediately visible, though minor shelf wear on the bottom is expected given its age. The item serves as a prime example of sculptural art glass from the 1950s-1970s era.

I have carefully examined the provided images of this Mid-Century Modern cased glass swung vase. The piece exhibits high-quality craftsmanship, specifically the 'tri-corner' handkerchief rim and the heavy, weighted base characteristic of mid-20th-century art glass. The use of a dark amethyst or charcoal core encased in a milk-glass white exterior reflects a sophisticated cased glass technique often associated with Murano workshops or high-end domestic producers like Smith or Blenko. Condition-wise, the glass maintains excellent structural integrity. However, the visible reddish-brown residue on the body significantly impacts the current valuation; if it is an organic stain, it may be remediable, but if it is an iron-base rust burn or surface etching, the value would trend toward the lower end of the range. The market for 'swung' glass remains stable, though collectors currently favor bold colors (oranges/greens) over monochromatic tones, somewhat moderating the demand for this specific palette. Critically, a definitive attribution to a specific maker (e.g., Seguso or Chalet) is limited by the lack of a signature or original label. From these images, I cannot verify the exact composition of the glass nor inspect the ground pontil for specific tool marks that distinguish authentic Murano from mass-produced imitations. To finalize this appraisal, I would require an in-person inspection to determine the presence of 'glow' under UV light (indicating lead or manganese content), a micro-examination of the surface residue, and any available provenance documentation to confirm its origin. As it stands, the value represents a fair market estimate for a high-quality, unattributed MCM sculptural piece.