This is a rectangular Sinclair Opaline Motor Oils porcelain sign. This particular Sinclair Opaline Motor Oils sign is predominantly green and white. It reads, “Authorized Dealer, Sinclair Opaline Motor Oil, Seals Power At Every Degree of Wear, Sinclair Opaline Motor Oil” and features a green and white striped can of Sinclair Opaline Motor Oil on the right side of the sign.
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We are always on the hunt for rare collections and vintage signs. We purchase vintage and collectible signs across the country. You may be surprised at how much money we may be able to offer you. Just send us some photos of your collectible via text or email, and we will send you an offer!
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