AI identification & appraisal estimate

Pyrex 'Butterfly Gold' Casserole Dish (Medium Size)

Submitted photo of Pyrex 'Butterfly Gold' Casserole Dish (Medium Size)
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$25-45

AI estimate as of September 24, 2025 · 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 item is a vintage Pyrex casserole dish, rendered in a translucent golden amber color, characteristic of their 'Butterfly Gold' pattern. The dish is oval or rectangular with rounded corners, and features sloping sides that flare slightly outwards. The most prominent design element is the 'Butterfly Gold' pattern, which consists of prominent bright yellow daisy-like flowers and smaller stylized floral motifs, connected by slender green-yellow leafy vines and dots. The pattern repeats around the perimeter of the dish, creating a cheerful and recognizable mid-century aesthetic. The material appears to be heat-resistant borosilicate glass, typical of Pyrex ware, designed for baking and serving. The overall construction is solid and appears to be in good vintage condition, exhibiting a smooth, glossy surface. There are no immediately visible chips, cracks, or significant abrasions on the exterior, and the printed pattern seems well-preserved with little to no fading or wear. The dish likely dates from the late 1960s to early 1980s, when the 'Butterfly Gold' pattern was widely popular. Its exact dimensions are not discernible from the image, but it appears to be a medium-sized casserole dish, suitable for family meals. The craftsmanship is typical of Pyrex, known for its durable and functional glassware.

AI Appraisal Report

Upon visual examination of the provided images, this item appears to be an authentic medium-sized Pyrex casserole dish in the popular 'Butterfly Gold' pattern, likely produced between the late 1960s and early 1980s. The piece presents in what appears to be excellent vintage condition. The borosilicate glass body shows a high gloss, and the characteristic golden amber color is vibrant. The screen-printed floral and butterfly motif seems exceptionally well-preserved, with no visible fading, scratches, or 'dishwasher damage,' which significantly enhances its value. No chips, cracks, or flea bites are apparent from the imagery. The market for vintage Pyrex, particularly the 'Butterfly Gold' line, is consistently strong due to its nostalgic appeal and functional durability. This pattern was one of the most prolifically produced, making individual pieces relatively common. Therefore, the value is primarily driven by condition rather than rarity. My appraisal value is based on recent sales of comparable individual 'Butterfly Gold' casserole dishes in similar excellent condition, sold without a lid. If this piece were to include its original matching lid, the value could increase by an additional $10-15. It is crucial to note that this appraisal is based solely on images. An in-person examination would be required to definitively confirm the absence of subtle flaws, such as utensil marks on the interior or stress fractures, and to verify the Pyrex backstamp, which would confirm its authenticity and period of manufacture. Without a physical inspection, a complete authentication is not possible.

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