Sherlock Holmes und das Halsband des Todes (1962)
Sherlock Holmes and Watson do battle with their nemesis, Professor Moriarity, over an ancient necklace attributed to Cleopatra
The Strangler of Blackmoor Castle (1963)
A strangler is loose on a British estate, and he not only strangles his victims but brands an M onto their foreheads before he decapitates them