AI identification & appraisal estimate

Phillips 66 Porcelain Gas and Oil Sign (not authenticated)

Submitted photo of Phillips 66 Porcelain Gas and Oil Sign (not authenticated)
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$400-700

AI estimate as of October 12, 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-enamel sign features a vibrant color scheme of orange, black, and white. The top section reads 'OUR FINEST QUALITY' in block lettering against an orange background. Below this, on the left, is the prominent Phillips 66 shield logo with the word 'Phillips' in stylized orange cursive above the large black numbers '66'. Extending across the middle is a white ribbon bearing the black text 'MOTOR OIL'. The bottom orange section contains the text '100% PARAFFIN BASE' in white sans-serif lettering. The sign displays noticeable condition issues, including chipping of the porcelain enamel exposing the underlying metal, primarily around the edges and near mounting holes, with associated rust and patination consistent with vintage advertising signage from the mid-20th century. The identification is based on the legible branding and graphics directly visible on the face of the sign, though authenticity and exact date of manufacture remain unverified.

AI Appraisal Report

Based on what I can see in the provided image, this rectangular porcelain-enamel sign bears graphics and branding consistent with vintage Phillips 66 motor oil advertising from the mid-20th century. The piece features the notable '66' shield logo, 'MOTOR OIL' ribbon, and '100% PARAFFIN BASE' lettering against a vibrant orange, black, and white color scheme. However, I can't verify from a photo alone whether this is a vintage piece or a later reproduction, as porcelain signs of this type are frequently copied. Based on the assumption that the piece is a vintage example displaying moderate condition issues—such as edge chipping, porcelain loss, and rust around the mounting holes—comparable mid-century petroliana advertising signs typically trade in the $400 to $700 range in the current market, driven by steady collector demand for authentic gas and oil display items. If physical inspection reveals the item to be a modern reproduction or replica rather than a vintage piece, the value would drop significantly, likely to the $50-150 range. To establish authenticity and a precise value, I would need physical inspection to examine the weight, gloss, thickness of the porcelain, and back enamel characteristics, alongside provenance documentation and expert material testing.

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