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 25, 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 rectangular porcelain-enameled metal sign features a white background with prominent red and dark blue lettering and graphics. The physical construction consists of heavy-gauge sheet metal coated with a vitreous enamel finish, displaying a framed border line running parallel to the outer edges. There are pre-drilled mounting holes visible near the corners, surrounded by localized areas of rust and enamel chipping. The text on the sign is laid out in multiple sections. At the top, the word 'STANDARD' is prominently displayed in large red sans-serif capital letters. Below this, the words 'RED CROWN' appear in a matching red font. In the lower center, there is a graphic of a torch with a red flame rising above a split oval emblem; the top half of the oval is red with the word 'STANDARD' in white, and the bottom half is dark blue. Below this emblem, text reads 'A STANDARD OIL COMPANY PRODUCT' flanked by two 'SO' monogram logos in circles. Along the very bottom corners, small printed text reads 'AB-1954' on the left and 'IR-1-48' on the right. The overall condition shows significant visible wear, characterized by widespread rust spots peppering the face of the sign, particularly around the edges, corners, and impact points where the enamel has flaked away. The design and typography are consistent with mid-20th-century petroliana advertising materials, though the actual age and authenticity remain unverified. The attribution in this name rests entirely upon the visible branding text and logos printed across the surface.

AI Appraisal Report

Based on what I can see in the provided image, this rectangular porcelain-enameled metal sign features the branding, typography, and graphics associated with mid-20th-century Standard Oil Company advertising materials, including the 'STANDARD RED CROWN' text and torch emblem. I can't verify from a photo whether the piece is a period-correct manufacturing specimen or a later replica, as surface finishes and aging effects can be simulated. Physical inspection would be needed to confirm the exact gauge of the metal, the composition of the vitreous enamel, and the nature of the rust and chipping around the mounting holes. Assuming the attribution to the stated era and brand is correct, comparable vintage petroliana advertising signs of similar size and condition typically trade within the $300 to $500 range, driven by collector demand for garage and gas station memorabilia. However, because this item is unauthenticated, its value relies heavily upon proper verification; if the piece were determined to be a modern reproduction, replica, or decorative copy, the market value would drop significantly, likely to the $50 to $100 range. To establish full confidence in its authenticity and age, an in-person examination by a petroliana specialist, detailed analysis of the porcelain edges and backside finish, and a review of any historical manufacturing markers would be required.

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