Maker not identified

仕上砥石合砥石京都産天然砥石大突（おおづく）一本撰 40型 I57

Asking price

$240

listed as: ¥39,000

Estimated value

$60

conservative estimate · midpoint $155

Whetstone ranges are placeholders. They are not derived from recorded sales of this stone and carry no value signal.

Whetstone. The range shown is a placeholder, not a value signal.

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Identification

identification confidence 0.00 on a 0 to 1 scale. This is how strongly the mark read from the photos matches a cited attribution for this listing alone. It is not a measure of how often identifications are right.

As listed

Type: whetstone

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On every figure here

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The values and identifications shown here are estimates generated by an AI system from public marketplace data and statistical models, and AI can and does make mistakes. They are offered as a helping and research tool, not as a definitive answer, appraisal, or authentication. Every figure is a statistical estimate, not a promise: no value, and no accuracy, is guaranteed. Nothing here is financial or investment advice. Foodgeist accepts no liability or responsibility for decisions made using this information. Before buying anything, do your own due diligence. Check the listing, the seller, and the item yourself.