Sinclair Opaline Motor Oil Magnet (3" Round) is a vintage-inspired collectible that captures the iconic branding of one of America's most storied petroleum companies. This 3-inch round magnet features the distinctive Sinclair Opaline design, instantly recognizable to automotive enthusiasts and vintage advertising collectors alike. The durable magnetic backing adheres securely to any ferrous metal surface—refrigerators, toolboxes, filing cabinets, or display cases—making it both functional and decorative. Perfect for those who appreciate mid-century American industrial aesthetics, this piece serves as a conversation starter that celebrates the golden age of American oil companies and classic automotive culture. Whether you're furnishing a garage, man cave, or vintage-themed space, this magnet combines nostalgic appeal with practical utility.
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