Buick Sales Service Double Sided Porcelain Enamel Sign HUGE gas station, oil. Great for your garage, man cave or anywhere you want an awesome Porcelain Enamel advertising sign! Check out our other listings for awesome signs, advertising Items and Mantiques! The item "Buick Sales Service Double Sided Porcelain Enamel Sign HUGE gas station, oil" is in sale since Wednesday, August 11, 2021. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs".The seller is "junkpeddler" and is located in Campbell, Ohio. This item can be shipped to United States.