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Celebrating the aviation heritage of the Sinclair brand, this 30-inch double-sided porcelain enamel sign features the iconic Sinclair Aircraft logo — a design that once symbolized innovation, speed, and American pride. Built from heavy-gauge steel and kiln-fired for lasting color, it captures the depth, gloss, and quality that defined true early aviation-era advertising.
Part of our Double-Sided Limited Release Series — once sold out, this design will not be reproduced.