Dressed to Kill (1946)
A convicted thief in Dartmoor prison hides the location of the stolen Bank of England printing plates inside three music boxes. When the innocent purchasers of the boxes start to be murdered, Holmes and Watson investigate.
Directed by: Roy William Neill
Starring: Basil Rathbone, Nigel Bruce, Patricia Morison, Frederick Worlock, Harry Cording, Carl Harbord
Links: IMDb, Movie posters, Movie stills