A painted wood advertising display from late 1940’s -1950’s and would have been in a Camera Shop or Department Store.  Tit is a composition wood with dimensional castle-like lettering. Castle Films was a film company founded in California by former newsreel cameraman Eugene W. Castle in 1924. Originally, Castle Films produced industrial and advertising films. Then in 1937, the company pioneered the production and distribution of 8 mm and 16 mm films for home projection. This states Castle Films a Division of World Films and a subsidiary of Universal Pictures.  It eventually was renamed Univesal 8 in 1977 before closing in the early 1980’s due to competition from home video.  We could not find any similar displays.  See pictures for condition.  It measures 16 ¾ x 8” and weighs 2 lb 4 oz