The Sign Of Four - 1932 - 6/10
Downright creaky rendition of the detective mystery.
Arthur Wontner looks like the oldest filmed Holmes, though resemblance to the Paget drawings is uncanny.
This comes across, to this viewer, as a bridge between the theatre versions (Gillette, Saintsbury), and Universal adaptations (Rathbone).
This may prove too modern for purists, as there are motorcars, as well as speedboats.
There are also a few elements from other stories cobbled in.
Nevertheless, this is well done. You could do a lot worse.