Illustration of a smiling man's face with a wrinkly forehead; when the button is turned upside down the man is frowning. Black and red text on a white background.
Made in U.S.A.
Advertisement for Champion, an American brand of spark plugs. Champion was a Fortune 500 company founded in Boston in 1908. Their National Spark Plugs Change Week became the accepted time for car dealers and mechanics across the country to perform spark plug checks.