This vintage Sinclair “Mechanic On Duty” porcelain gas pump sign is a heavy and durable piece that will make a great addition to your collection. The sign features multi-color design and was manufactured in the United States in the 1960s. It is an original piece and perfect for collectors of advertising and merchandise memorabilia. The sign is designed as a type of advertising and features the brand name “GAS OIL”. It is a unique and rare find that will surely attract attention from collectors and enthusiasts alike. This item is categorized under “1930-69″, “Original”, “Signs”, “Merchandise & Memorabilia”, “Advertising”, and “Collectibles”.