AI identification & appraisal estimate

Vintage Westmoreland Milk Glass 'Paneled Grape' Pitcher and Tumbler Set

Submitted photo of Vintage Westmoreland Milk Glass 'Paneled Grape' Pitcher and Tumbler Set
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$45 - $65

AI estimate as of March 27, 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 beverage service set crafted from opaque white milk glass, featuring the iconic 'Paneled Grape' pattern produced by the Westmoreland Glass Company. The set includes a large, footed water pitcher and three matching 12-ounce tall tumblers. Each piece is characterized by its high-relief molded design consisting of lush grape clusters hanging from vines and broad, detailed vine leaves. The vessels are structurally designed with a paneled or 'broken' octagonal body, where the grape motifs are centered within the vertical facets. The milk glass is of high quality, exhibiting the smooth, substantial texture and bright white opacity associated with mid-20th-century American pressed glass. The pitcher features a large, integrated handle and a prominent pouring lip, resting on a sturdy circular pedestal base. The tumblers have a slightly tapered cylindrical shape with the same paneling and grape relief. Based on stylistic elements and the popularity of this pattern, the set likely dates to the 1940s or 1950s. Regarding condition, the glass appears to have a consistent luster, though there is a visible vertical hairline fracture or deep mold seam on the front-most tumbler, which may impact structural integrity. Some surface dust and minor shelf wear on the bases are observed, typical for used glassware of this era. Westmoreland pieces typically feature a 'WG' mark on the base, though it is not visible in this orientation.

AI Appraisal Report

Based on my visual examination of the provided imagery, I have assessed this vintage Westmoreland Glass beverage set in the 'Paneled Grape' pattern. This pattern, arguably the company’s most successful line, was produced in Grapeville, PA, from the 1940s through the early 1980s. The set demonstrates the characteristic 'milk white' opacity and high-relief molding expected of authentic Westmoreland pieces. The market for mid-century milk glass remains stable but polarized; while rarer colors or large complete sets command premiums, the white Paneled Grape pattern is relatively common due to its long production run. The current set consists of one pitcher and three tumblers, making it an incomplete service (originally sold with six or eight tumblers), which negatively affects the total valuation. Most critically, the visible hairline fracture on the lead tumbler significantly diminishes the value. In the world of pressed glass, condition is paramount; structural damage often reduces the value of an individual piece by 70-80%. While the appearance, mold sharpness, and glass texture strongly suggest authenticity, a definitive verification is limited by the digital format. A physical inspection would be required to verify the 'WG' stack mark, check for 'sick glass' (internal clouding), and differentiate the hairline fracture from a standard mold cooling line. Authenticity is assumed based on the high fidelity of the grape relief, but collectors should be aware of contemporary reproductions. For a final certified appraisal, provenance or original receipts would be beneficial, as would a tactile check of the base wear to confirm the mid-century dating.

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