AI identification & appraisal estimate

Porcelain plate bearing a 'Royal Chester' mark (not authenticated)

Submitted photo of Porcelain plate bearing a 'Royal Chester' mark (not authenticated)
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$40-$80

AI estimate as of September 6, 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 image shows the underside base of a white ceramic or porcelain plate, featuring a printed maker's mark at the bottom center. The plate exhibits a smooth, glossy white glaze with a raised circular foot ring that shows some light surface discoloration and minor wear along the unglazed resting edge. The central maker's mark is enclosed within an ornate, green-tinted cartouche surrounded by a stylized gold-colored wreath and topped with a small crown motif. Inside the green cartouche, the text reads 'ROYAL CHESTER' in an arc over 'MADE IN JAPAN' in a straight horizontal line. Directly below this printed crest, the word 'OGDEN' is stamped in a reddish-orange font. The visible condition appears generally good regarding the glaze surface, though there is minor age-related toning or minor soiling on the foot rim. The style and marking suggest a mid-20th-century or export-era Japanese porcelain piece, although the exact production date remains unverified. The attribution in the item name rests entirely upon the legible printed stamp and the red 'OGDEN' lettering visible on the base of the object, which serve as visual indicators rather than proof of origin or authenticity.

AI Appraisal Report

Based on the visual evidence provided in the photograph, I have evaluated this porcelain plate bearing markings associated with 'Royal Chester' and 'Made in Japan', alongside an 'Ogden' retailer or decorator stamp. Based on what I can see, the base displays a glossy white glaze and a foot ring with minor surface discoloration consistent with mid-20th-century export ceramics. However, I cannot verify from a photo alone the exact age, composition, or whether the markings are contemporary to the piece's manufacture. The visible text and stamp serve as visual indicators only, and physical inspection would be needed to confirm the quality of the paste and enamel work. Market demand for mid-century Japanese export porcelain and retailer-marked tableware is generally modest, with similar decorative items typically trading in the $40 to $80 range assuming the attribution to the stated maker and retailer is correct. This value estimate is conditional upon the assumed identity; if physical examination reveals the piece to be a modern reproduction, copy, or 'in the style of' piece rather than a period export, the value would likely drop to the $15 to $30 range. To establish authentication and a more precise valuation, one would require in-person examination by a ceramics specialist, thorough hallmark verification, and provenance documentation.

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