Maker not identified

天然砥石滝迫鉱山本山青砥（会津青砥門前天草飛駒志戸前雲仙郡上改正三河沼田大平大突奥殿中山菖蒲巣板対馬マルカ）

Asking price

$308

listed as: ¥50,000

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

Estimated values are AI-generated research aids, not appraisals. Accuracy is not guaranteed, this is not financial advice, and Foodgeist accepts no liability for decisions based on them. Do your own due diligence before buying.

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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.