AI identification & appraisal estimate

Stemmed Bifacial Projectile Point

Submitted photo of Stemmed Bifacial Projectile Point
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$350 - $600

AI estimate as of May 3, 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 artifact is a medium-to-large bifacial lithic projectile point, likely used as a spear head or knife blade. It is crafted from a dark, fine-grained chert or flint, characterized by its deep charcoal to black coloration with distinct light cream or tan inclusions near the distal tip and along the lower margins. The object demonstrates skillful percussion and pressure flaking, resulting in a lanceolate body with a slightly asymmetrical profile. It features a prominent contracting stem or base designed for hafting to a wooden shaft. The edges show evidence of secondary retouching, which provides a sharp, serrated-like finish. Its physical condition includes bluntness at the tip and minor chipping along the blade edge, suggesting use-wear or impact. The surface possesses a distinct dull patina indicative of long-term environmental exposure. Based on its morphology, specifically the stemmed base and blade shape, this piece likely originates from an Archaic or Woodland period archaeological context, representing prehistoric craftsmanship used for hunting and butchering. No modern maker's marks are visible, supporting its status as an ancient hand-knapped tool.

AI Appraisal Report

Based on my visual analysis of this bifacial projectile point, I have examined the percussion flaking patterns and the distinct patina which are consistent with lithic tools from the Archaic to Early Woodland periods. The deep charcoal chert shows authentic mineral inclusions and surface oxidation that suggest long-term burial. The contracting stem and asymmetrical lanceolate profile indicate a utilitarian tool, likely a knife or spear, showing significant use-wear and minor impact fractures on the distal end. The market for prehistoric lithics remains stable, particularly for pieces exhibiting regional characteristics and fine-grained materials. Comparables for high-quality stemmed points of this size generally range between $300 and $800 depending on specific site provenance. The lack of modern hinge fractures or 'fresh' flake scars adds confidence in its antiquity. However, visual inspection alone cannot definitive exclude advanced modern reproductions. A final valuation and absolute certification of authenticity would require an in-person microscopic examination of the flake scars to detect modern metallic tool marks, UV fluorescence testing to assess surface mineralisation, and a review of documented provenance or find-site history. Without a clear chain of custody or archaeological context record, the value remains at the mid-market tier for 'found' artifacts.

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