Vintage Gulf Oil Porcelain Neon Sign - gas station advertising lighted auto. Original 24 large porcelain letters. The item "Vintage Gulf Oil Porcelain Neon Sign gas station advertising lighted auto" 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.