AI identification & appraisal estimate

Japanese Imari Octagonal Porcelain Bowl

Submitted photo of Japanese Imari Octagonal Porcelain Bowl
Photo submitted by the user — not generated by AI

User's notes

Bronze

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

$600 - $850

AI estimate as of February 2, 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 is a fine example of a Japanese Imari-style porcelain bowl, characterized by its distinct octagonal shape and deep, steep-sided profile. The interior features a central circular medallion decorated with a quatrefoil floral motif in iron red, green, and blue. Radiating from this center are four large wedge-shaped panels divided by four alternating darker sections. The panels feature intricate 'Kinrande' style decorations, including floral sprays, bamboo, and diaper patterns executed in a palette of underglaze cobalt blue, overglaze iron red, and emerald green, with highlights of gilding. The craftsmanship demonstrates the typical Meiji period (late 19th to early 20th century) aesthetic, often produced in the Arita region for export. The exterior appears to be white porcelain, while the interior is densely packed with 'nishikide' (brocade) patterns. Condition-wise, the rim shows minor shelf wear and some rubbing to the gold leaf accents, which is common for its age. There are no immediate visible cracks or large chips, suggesting well-preserved glaze integrity. The geometric form combined with the traditional floral symbology makes it a highly decorative piece of Asian art.

AI Appraisal Report

Based on my examination of this Japanese Imari octagonal bowl, I have identified it as a high-quality example of nishikide (brocade) porcelain dating to the late Meiji Period (c. 1890-1912). The octagonal form is less common than the standard circular rim, adding to its decorative appeal. The palette of underglaze cobalt blue combined with overglaze iron red, emerald green, and gilding aligns with the export-style 'Kinrande' aesthetic produced in Arita. The central quatrefoil medallion and the alternating wedge-shaped panels depicting floral sprays and traditional diaper geometric patterns are consistent with the era's taste for dense, vibrant ornamentation. The condition appears commensurate with age; minor rubbing to the gilt and light shelf wear on the foot rim are expected. The lack of visible hairlines or major chips preserves its marketability. Current market demand for Meiji-era Imari remains stable but selective, with premium prices reserved for pieces exhibiting complex geometry and intact gilding. Comparable sales for late 19th-century octagonal bowls in this size range fall within the mid-to-high three-figure range. Note that this appraisal is based on photographic evidence. A definitive authentication requires a physical inspection to verify the tactile quality of the glaze, the presence of kiln grit on the foot, and to check for professional repairs using UV light. I recommend obtaining provenance documentation or a signed maker’s mark (typically 'Hichozan Shinpo-sei' or similar) to further solidify its origin. Without a physical macro-inspection of the paste and firing pits, this remains an estimate based on visual stylistic indicators.

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