In grandpas mechanic shop for over 50 plus years! See photos not perfect but still a lot of vintage appeal! The STP Oil Rack Topper Sign is a rare and vintage collectible advertising item featuring the STP Oil brand. This double-sided sign is in original condition and showcases a unique multi-color design, making it a valuable addition to any gas and oil memorabilia collection. Made in the United States, this sign captures a piece of American automotive history and is sure to be a standout piece for collectors and enthusiasts alike.