AI identification & appraisal estimate

W.R. Case & Sons Stag Copperlock Folding Pocket Knife

Submitted photo of W.R. Case & Sons Stag Copperlock Folding Pocket Knife
Photo submitted by the user — not generated by AI

User's notes

Case knife

These notes were written by the person who submitted this item. Appraiser.AI has not verified them, and the AI's identification and estimate may rely on them.

AI Estimated Value

Not an official valuation

$175.00 - $250.00

AI estimate as of February 8, 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.

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 Item Analysis

This item is a vintage W.R. Case & Sons folder, appearing to be a Copperlock or similar single-blade folding knife design. It features a genuine stag (antler) handle, characterized by deep natural jigging and a rich amber to dark brown coloration with cream highlights in the recesses. The handle is bordered by polished nickel silver or steel bolsters on both ends, and it includes a functional lockback mechanism visible on the spine. The blade is a classic clip point profile, currently showing significant age-related patina, dark oxidation spots, and signs of sharpening wear along the edge. The blade surface appears dull rather than polished, indicating a high carbon steel composition typical of older Case production. The stag scales are pinned securely, though there is visible surface wear and slight dulling of the metal components consistent with mid-20th-century utility use. No specific tang stamp is legible in the image, but the overall construction profile suggests a mid-to-late 20th-century manufacture date. The craftsmanship reflects typical high-quality American knifemaking, with flush-fitting pins and contoured bolsters designed for an ergonomic grip.

AI Appraisal Report

Based on my visual examination of this W.R. Case & Sons Stag Copperlock, I find it to be an authentic example of mid-to-late 20th-century American cutlery. The genuine stag handles are the primary value driver, showing the desirable deep jigging and 'burnt' amber tones sought by collectors. The lockback mechanism appears structurally sound, though the blade exhibits significant carbon oxidation and 'pepper spots' consistent with age and utility use. While the patina confirms the steel's high carbon content, the sharpening wear slightly reduces the value compared to a 'mint' or 'factory edge' specimen. The Copperlock pattern is a staple for Case enthusiasts, maintaining steady demand in the secondary market. Current market conditions for vintage Case stag knives remain robust, with similar utility-grade examples frequently realizing prices in the $200 range. A pristine version could double this value, but the current condition suggests a fair market value for a dedicated user or secondary-tier collector. Limitations: This appraisal is based solely on digital imagery. Without a clear macro-photograph of the tang stamp (the 'dots' or 'X' markings), I cannot definitively pinpoint the exact year of manufacture, which can fluctuate value by 20-30%. A physical inspection would be required to check for blade 'wobble,' spring tension (walk and talk), and to ensure no hairline cracks exist in the stag scales at the pin sites. Verification of the 'long tail C' or block lettering on the tang would be the final step for a certified valuation.

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