The Vintage Bardahl Motor Oil Porcelain Sign is a collectible advertising piece from the 1950s, featuring a distinctive red, black, and green color scheme. Made in the United States, this original vintage porcelain sign showcases the iconic “Sluggish Engines Live Bardahl” slogan, making it a unique and sought-after item for collectors of vintage advertising memorabilia. Measuring 10×7.5 inches, this sign is a nostalgic piece that would make a great addition to any vintage advertising collection.