AI Appraisal Estimate

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Submitted photo · May 25, 2026

User's notes

Original plaster mask from the set of the famous film “300“

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.

Note

This analysis also relies on unverified notes provided by the user, which may be incomplete or inaccurate and could affect the result.

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AI Identification

·Not independently authenticated·Verify before acting

Persian Immortal Prop Mask from the Film '300'

Entertainment Memorabilia / Movie Props

AI Estimated Value

·Not an official valuation·Verify before acting

$4,000 - $6,000

As of May 25, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item is an original production-used or production-made plaster mask, specifically designed for the 'Immortal' Persian soldiers in the 2006 Zack Snyder film '300'. The mask exhibits a stylized, menacing facial expression characteristic of the graphic novel's aesthetic, featuring a furrowed brow with prominent ridges, a broad nose, and a wide, open-mouthed grimace. Physically, the mask is constructed from plaster and finished with a dark, gunmetal silver or metallic charcoal paint that simulates aged steel. The surface possesses a subtle satin sheen, highlighting the sharp anatomical contours and organic lines of the sculpt. Measuring approximately life-size to cover a human face, it includes narrow eye slits and a rectangular mouth opening to allow for visibility and breathability during filming. The construction demonstrates professional prop-making standards, though visible wear is consistent with onset usage, including minor scuffs on high points and potential remnants of interior padding or straps used for attachment. Originating from the mid-2000s production period, this mask is a significant piece of cinematic memorabilia representing the film\'s unique visual style. Its craftsmanship reflects the transition between physical practical effects and digital enhancements used during the movie\'s production.

AI Appraisal Report

·AI can make mistakes·Verify before acting
Based on my examination of the provided documentation and imagery, I have assessed this original production-made mask for the 'Immortal' soldiers in Zack Snyder’s 2006 film '300'. The mask correctly displays the aggressive, stylized contours and the 'brushed metal' paint finish consistent with the film’s hyper-stylized aesthetic. The wear patterns on the plaster, particularly the scuffing on the brow and chin, suggest genuine onset usage rather than a mass-market replica. This item holds significant cultural value as '300' remains a landmark in visual effects and stylized action cinema. Most Immortal masks appearing in the secondary market originate from production-surplus or key stunt sequences; those with direct screen-use evidence command a premium. Current market conditions for 2000s-era genre film props are strong, with specific demand for iconic 'army builder' masks. Comparable sales for similar masks through specialized auction houses (such as Propstore or Heritage Auctions) typically range between $3,500 and $7,000 depending on the level of screen visibility and the presence of interior hardware. While this piece visually aligns with authentic props, I must note the limitations of a digital appraisal. A definitive valuation is contingent upon a physical inspection to verify plaster consistency and paint chemistry. Crucially, full authentication requires a Certificate of Authenticity (COA) from a reputable source like Warner Bros. or a recognized industry prop master, alongside provenance tracing the item from the production set to the current owner. Without such documentation, the value would likely be reduced by 50% as the item would be classified purely as 'production-made' rather than 'screen-attributed'.

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