Porcelain Steel Advertising Sign. Approximately 39 inches x 8 inches. Beautiful sign with great shiny colors, has usage to it. This is a great sign for your collection. The item “GOODYEAR porcelain sign 39 convex vintage gasoline oil domed old tires shop USA” is in sale since Friday, July 3, 2020. This item is in the category “Collectibles\Advertising\Tires\Goodyear”. The seller is “oldgassigns” and is located in Woodland, California. This item can be shipped worldwide.