Dressed to Kill, released in 1946, also known as Prelude to Murder (working title) and Sherlock Holmes and the Secret Code in the United Kingdom, is the last of fourteen films starring Basil Rathbone as Sherlock Holmes and Nigel Bruce as Doctor Watson.

Directed by
Roy William Neill

Produced by
Roy William Neill

Written by
Frank Gruber
Leonard Lee

Based on
The Adventure of the Dancing Men
1903 short stories (56)
by Sir Arthur Conan Doyle

Starring
Basil Rathbone
Nigel Bruce
Patricia Morison
(source: Wikipedia)

Film is in the Public Domain:
https://archive.org/details/dressed_to_kill