Here is a vintage Sinclair Advertising Sign Letters that have been removed from base. This service station sign letters will make a great addition to any collection. They have been previously used and were removed from a sign and are still in great condition. Letters spell out Sinclair and can be viewed in the pictures provided. 25″ x 12″ x 2 (largest letter dimensions). The item “Vintage Sinclair Letters Advertising Sign Oil Gas Services Station Dinosaur NICE” is in sale since Friday, July 21, 2017. This item is in the category “Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs”. The seller is “prairiegrit” and is located in Jamestown, North Dakota. This item can be shipped worldwide.