AI identification & appraisal estimate

Guangdong Porcelain Factory Ceramic Vessel

Submitted photo of Guangdong Porcelain Factory Ceramic Vessel
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$20-40

AI estimate as of April 17, 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 the base of a Chinese ceramic vessel, most likely a vase or a ginger jar, featuring a distinct overglaze iron-red four-character mark. The mark reads 'Guangdong Ci Chang' (廣東磁廠), which translates directly to 'Guangdong Porcelain Factory.' This specific factory mark is typically associated with mid-to-late 20th-century production, particularly items exported from the Guangdong province during the 1950s through the 1970s. Physically, the piece is made of a white porcelain body with a clear glaze finish. The central recessed foot is glazed, highlighting the red stamp, while the foot rim is unglazed (biscuit porcelain) and shows significant brownish-yellow staining and surface grime, suggesting several decades of age or storage wear. Notable features include the square, double-bordered red seal mark which is characteristic of the export wares of that era. There are several visible condition issues, including irregular glaze thinning near the foot, scattered surface pitting (pinholes), and significant localized discoloration/organic staining around the unglazed rim and interior glaze surface. The craftsmanship represents a industrial-scale artisanal production, where hand-finishing is combined with standardized factory marking. The style is indicative of the 'Canton' style export porcelain revival seen in the late Republic to early People's Republic of China periods.

AI Appraisal Report

Based on my examination of the image provided, this is the base of a Chinese ceramic vessel bearing the iron-red overglaze four-character mark 'Guangdong Ci Chang' (Guangdong Porcelain Factory). This mark is typically associated with mid-to-late 20th-century production, primarily spanning the 1950s to the 1970s. The piece features a white porcelain body with a clear glaze and an unglazed foot rim that shows characteristic age-related staining and wear. Condition-wise, there are noticeable issues including glaze thinning, scattered pinholing, and significant surface grime and discoloration around the foot rim. These are typical of mass-produced, industrial-scale artisanal export wares from this period. The double-bordered red seal is standard for Canton-style export pieces from the early People's Republic of China era. In the current market, mid-20th-century export wares with this specific factory mark are quite common and generally do not command high prices unless they are exceptional in size, decoration, or historical provenance. Given that this is only a partial view of the vessel (just the base) and showing noticeable condition issues, its standalone value is minimal. Please note that this appraisal is based solely on a photograph of the base. A complete assessment of value would require viewing the entire vessel to evaluate its overall decorative appeal, structural integrity, and form. Full authentication and definitive valuation are limited without in-person physical examination to assess weight, texture, and the true nature of the materials.

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