The Vandor Company was founded in 1957 by Ted Van Dorn. He sold the company around 1991. The company was sold again in 1995 to the Lyon Company. Vandor's pottery is popular with Baby Boomers and collectors of Classic Pop Culture. Over the years licensees have included Betty Boop, Grateful Dead, Elvis, Marilyn, Mayberry, and the Beatles. Other licensees included the Honeymooners, Janis Joplin, the Pink Panther and Scooby-doo. The California Original jars are usually marked with a 3 or 4 digit number and USA somewhere on the rim, on the back or near the bottom of the jar.