Vintage Original Gulf Oil Corporation Porcelain Sign 111"x21". The item "Vintage Original Gulf Oil Corporation Porcelain Sign 111x21" is in sale since Saturday, October 24, 2020. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "topdownautomobilia-0" and is located in North East, Maryland. This item can't be shipped, the buyer must pick up the item.