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Unidentified “KATO / NIHON” Marked Stainless-Steel Mug

THB 26

A utilitarian stainless-steel drinking mug with a tall cylindrical body, rolled lip, and squared C-form handle. A small side stamp appears to include the tentative readings “KATO” and “NIHON,” plus a lower device, but glare and blur prevent a secure transcription. It should be catalogued as unidentified metalware rather than Japanese ceramic ware. The supplied photograph supports a used-condition assessment with surface scuffs and possible interior spotting, but it does not establish alloy, capacity, country of manufacture, maker, construction, or date. Additional sharply focused photographs of the base, full mark, interior, and handle joins are needed for firmer identification.

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Object details

Condition: Good
Appears structurally intact in the supplied view: rim and handle show no obvious bends, cracks, or losses. The body has light-to-moderate handling scratches, rub marks, and uneven reflections consistent with use. The interior appears darkened with possible residue or water spotting; this cannot be assessed fully from the image.
Noted imperfections: Visible cosmetic surface scratching/scuffing and possible interior staining or residue. No other defects can be reliably assessed because the base, reverse, handle attachment, and interior are not shown clearly.
Origin: Japan is possible if “NIHON” is correctly read, but origin is not proven without a clear base mark or documented maker identification.
Kiln / maker: Unknown. “KATO” may be a brand, maker, distributor, or other mark, but the photograph and search results do not establish a specific company.
Estimated era: Undated modern/post-war industrial metalware; no defensible narrower date range can be assigned from this single view.
confidence: unknown
Inventory no.: JC-20260828-8BD95D

Our assessment is based on visual characteristics and available provenance; it is not a formal appraisal.