AI identification & appraisal estimate

Ceramic Platter signed 'Estrela de Conimbriga'

Submitted photo of Ceramic Platter signed 'Estrela de Conimbriga'
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$150-$300

AI estimate as of October 16, 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 ceramic platter features a glossy white glazed surface and an unglazed terracotta-colored foot rim on the underside. The construction exhibits traditional hand-finished pottery characteristics with slight irregularities typical of glazed earthenware. The base displays hand-painted dark markings and text written directly onto the glaze. The visible text reads verbatim: '32 ESTRELA DE CONIMBRIGA SEC XVII PORTUGAL CIDALIA' accompanied by a circled letter 'E' symbol with a small trailing flourish pointing to it. The visual evidence relies on this hand-written inscription on the base, which is unverified and presented as observed without a guarantee of its age or origin. The style of the writing and markings suggests a decorative piece referencing historical Portuguese ceramic traditions, though the exact period of manufacture remains unverified by physical inspection or documentation. The item appears to be in overall clean condition with visible glaze pooling around the foot rim and standard manufacturing stilt marks on the underside.

AI Appraisal Report

Based on what I can see in the provided image, this ceramic platter features a glossy white glaze and hand-painted markings on the base bearing the text '32 ESTRELA DE CONIMBRIGA SEC XVII PORTUGAL CIDALIA'. The physical characteristics, such as the unglazed terracotta-colored foot rim and stilt marks, point toward traditional earthenware manufacturing methods. However, I cannot verify the age, exact origin, or authorship from a photograph alone. The inscribed text and markings are observed as written, but a physical inspection is necessary to evaluate the materials and pigments. Assuming the attribution to Portuguese decorative traditions referenced by the inscription is correct, items of this type generally trade in the $150 to $300 range in the current secondary market, driven by collector interest in European regional ceramics. If physical examination reveals the piece is a modern reproduction, replica, or made simply 'in the style of' historical Conimbriga wares rather than an earlier studio piece, the value would likely decrease significantly, falling closer to $40 to $80 as a decorative item. To better understand the value and address whether the piece is truly an older example or a later tribute, one would need in-person expert appraisal, scientific testing of the glaze and clay body, and a thorough assessment of the hand-painted markings.

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