American. 1940s. Steel case, acrylic letters. This backlit sign features interchangeable letters. Tagged, "Your Message in Light B.J. Shryock & Co. Inc. 1845 S. Western Ave., L.A Calif" rear. 9 x 37 x 4". Acylic letters exhibit minor paint spatter, scratches. Case exhibits uniform oxidation. Does not light up. CODE:SIG