AI identification & appraisal estimate

Porcelain vessel bearing a Morimura Gumi-style backstamp

This name is the AI's identification of the item — it may be incorrect.

Submitted photo of Porcelain vessel bearing a Morimura Gumi-style backstamp
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$60-$125

AI estimate as of June 14, 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 item is a white porcelain vessel, shown from the underside, featuring a lobed or scalloped base with four small, unglazed feet. The porcelain appears to be fine-grained with a glossy glaze. Center-stamped in green ink is a mark consisting of a wreath surrounding an 'M', with the words 'Hand Painted' above and 'NIPPON' below. This backstamp is stylistically consistent with the Morimura Gumi (later Noritake) marks used in the early 20th century, specifically the period between 1891 and 1921. There is also a small, dark, hand-painted character or tally mark near one of the feet. The unglazed portions of the feet show light surface wear and minor discoloration, which is consistent with age and use. While the mark suggests a specific Japanese origin and manufacturer, it must be treated as unverified without professional physical inspection, as such marks can be replicated. The craftsmanship suggests a high-quality decorative piece, likely a vase or sugar bowl, from the Nippon porcelain era.

AI Appraisal Report

Based on my visual examination of the provided image, I have assessed this porcelain vessel as an early 20th-century decorative piece. The underside bears a green wreath mark with an 'M' and the 'Nippon' designation, which is stylistically consistent with markings used by Morimura Gumi (the precursor to Noritake) primarily between 1891 and 1921. While the fine grain of the porcelain and the hand-painted tally mark suggest a piece of respectable quality from that era, I cannot verify the age or manufacturer from a photograph alone, as these backstamps have been subject to reproduction. The value estimate is predicated on the hypothesis that the piece is a period-accurate Nippon era vessel in good condition. Items of this type generally see consistent demand among collectors of Japanese export ceramics, though the market favors larger, highly ornate pieces with elaborate gilding. Based on what I can see, the light wear on the unglazed feet suggests appropriate age, but a physical inspection would be required to rule out modern replicas or professional repairs. To move beyond this working assumption, an in-person examination by a specialist in Japanese ceramics and documentation of the item's provenance would be necessary. If the piece were found to be a modern reproduction rather than a period Nippon item, the market value would likely decrease to a decorative value of $15-$30. The current estimate reflects the typical market behavior for recognized Nippon-style porcelain assuming the mark is accurate to the period.

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