Check and Double Check

Check and Double Check is a 1930 American pre-Code comedy film produced and released by RKO Radio Pictures, based on the Amos 'n' Andy radio show. The title was derived from a catchphrase associated with the show. Directed by Melville W. Brown, from a screenplay by Bert Kalmar, J. Walter Ruben, and Harry Ruby, it starred Freeman Gosden and Charles Correll in blackface, in the roles of Amos Jones and Andy Brown, respectively, which they had created for the radio show. The film also featured Duke Ellington and his Cotton Club Orchestra.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster by RKO Productions (Public domain).