Double Feature - Terror by Night - Dressed to Kill (DVD, 2004) Basil Rathbone.  

Terror by Night 1946
In London, Lady Margaret Carstairs (Mary Forbes) and her son, Roland (Geoffrey Steele), engage renowned detective Sherlock Holmes (Basil Rathbone) to accompany them back home to Scotland as protection for their priceless gem, the Star of Rhodesia. When Roland turns up murdered and the Star disappears, Holmes and his friend Dr. Watson (Nigel Bruce) investigate -- only to discover another murder, and a strange connection with Watson's acquaintance Maj. Duncan-Bleek (Alan Mowbray).

Dressed To Kill 1946
Holmes and Watson hunt for three music boxes containing directions to the whereabouts of six valuable engraving plates stolen from the Bank of England. They find themselves in competition with professional thieves also out to find the clues, which were hidden by a spiteful jailbird before the music boxes went up for auction.