AI identification & appraisal estimate

Standard Red Crown porcelain sign (not authenticated)

Submitted photo of Standard Red Crown porcelain sign (not authenticated)
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$300-$500

AI estimate as of October 18, 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 is a vintage or vintage-style metal sign featuring the branding for Standard Red Crown gasoline and oil products. The physical piece is a rectangular, possibly porcelain-enameled or painted metal sign mounted on a wooden backing board, with a small paper auction tag attached near the top bearing the number 445. The color scheme consists of a white background with prominent red and dark blue lettering and graphics. The top features large red text reading 'STANDARD' above 'RED CROWN'. Below this, there is a circular graphic featuring a stylized torch with a red flame rising above a red, white, and blue emblem bearing the word 'STANDARD' in bold dark blue capital letters. At the very bottom, text reads 'A STANDARD OIL COMPANY PRODUCT' alongside a small circular logo. The item displays significant condition issues including noticeable rusting concentrated heavily around multiple mounting holes drilled through the face of the sign, as well as oxidation along the exposed edges and mounting hardware. The surface shows some staining and general age-related wear, though the core enamelled or painted graphics remain relatively vibrant. The identification rests on the clearly visible brand text and corporate logos printed on the face of the sign. Such pieces are visually consistent with mid-20th-century petroleum advertising signage, though authenticity, exact age, and manufacturing origin remain unverified from the visual evidence alone.

AI Appraisal Report

Based on what I can see in the photograph, this rectangular sign bears imagery and branding consistent with mid-20th-century Standard Red Crown petroleum advertising. The piece features a white background with red and dark blue lettering, a central torch graphic, and mounting hardware attached to a wooden backing board. I cannot verify from a photo whether the sign is genuinely period-old porcelain-enameled metal or a modern replica, and physical inspection is required to determine exact materials and manufacturing methods. The item exhibits significant condition issues, including heavy rusting concentrated around mounting holes drilled directly through the face and oxidation along the edges, though the core graphics remain relatively vibrant. Assuming the attribution to vintage Standard Oil advertising is correct, items of this type and condition typically trade in the $300 to $500 range within the collector market, supported by steady demand for petroliana display pieces. However, if physical inspection reveals the item to be a modern reproduction, copy, or decorative replica rather than a vintage piece, the market value would drop substantially, typically falling closer to $50 to $100. To thoroughly assess authenticity and value, an in-person examination by a petroliana specialist, detailed inspection of the enamel structure, and evaluation of any maker marks or substrate aging would be necessary.

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