This vintage certified used cars double-sided flange porcelain filling station sign from the 1950s is a unique collectible advertising piece that showcases a multi-color design. Made in the United States, this original sign features a gas and oil theme, making it a nostalgic treasure for collectors of vintage memorabilia. The double-sided design adds a touch of authenticity to this classic advertising sign that would make a great addition to any collection or as a standalone display.