original c. 1940's vintage american oversized heavy cast aluminum "changeable" theater marquee letter sign. the earliest type of this particular sign letter was likely designed and patented by benjamin h. adler in the late 1920's. the exterior building facade sign letter retains the original red enameled finish outlined in a metallic silver paint. the letter measures 24 1/2 inches in height. manufactured by the adler silhouette letter co., chicago, il. two matching letters available. priced individually.