AI Appraisal Estimate

AI-generated estimates · not official valuations

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Submitted item photo
Submitted photo · June 1, 2026

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AI analysis below

AI appraisal

AI analysis & estimate

AI-Generated · Verify before acting

Everything below 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 Identification

·Not independently authenticated·Verify before acting

Amsterdam Brewery 'Boneshaker' Skull Mug

Drinkware / Collectible Mug

AI Estimated Value

·Not an official valuation·Verify before acting

$15-25

As of June 1, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item is a ceramic beer stein or mug, likely made of stoneware, featuring a cream or light tan glazed exterior. The mug’s design appears to be shaped like a skull, with observable indentations and dark lines suggesting skeletal details such as eye sockets (though not fully visible) and parts of the jawline. The base of the mug is rectangular or square-shaped, providing a stable foundation. On the underside of the base, there is a green and red label or stamp indicating "AMSTERDAM Brewery," suggesting its origin or promotional purpose. On the side of the mug, a black graphic is visible, featuring 'BONESHAKER' written above an image of what appears to be an old-fashioned bicycle or 'boneshaker' era cycle, with the text 'Original Pale Ale'. The gloss finish of the ceramic indicates a firing process. The visible condition suggests general good preservation, with no obvious cracks, chips, or significant wear, though a complete assessment would require additional views. The craftsmanship appears to be commercial grade, indicative of mass production for promotional or souvenir purposes. Its style is contemporary, likely dating from the late 20th to early 21st century, given the modern branding and graphic design.

AI Appraisal Report

·AI can make mistakes·Verify before acting
Upon visual examination of the provided image, this item appears to be a promotional ceramic beer mug from Amsterdam Brewery for their 'Boneshaker' Original Pale Ale. The mug is commercially produced stoneware, shaped like a skull, with applied graphics. Based on the imagery, the item is in good to very good condition, showing no apparent chips, cracks, or crazing. The glaze is intact and the graphics are sharp. The value of such an item is primarily driven by collector demand for brewery memorabilia rather than intrinsic material value. Mass-produced promotional items like this are generally not rare. A review of online marketplaces and auction records for similar Amsterdam Brewery steins and other craft beer promotional mugs indicates a modest but active secondary market. Condition is the primary value driver for this type of collectible. Its novelty skull shape and association with a popular craft beer may slightly increase its desirability among collectors. However, this appraisal is limited by its reliance on a digital image. A full authentication would require in-person examination to confirm the absence of hairline cracks or repairs not visible in the photograph. Verifying the maker's marks and assessing the quality of the ceramic firsthand is essential. Without physical inspection, I cannot definitively rule out the possibility of it being a replica or an item with undisclosed condition issues.

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