The Ace of Scotland Yard (1929)
From the Universal synopsis: Retired Inspector Blake of Scotland Yard learns that Lord Blanton has acquired the sacred "Love Ring"---a cursed jewel that has brought grief to its previous owners. Prince Darius seeks to obtain the ring, and the mummy of a princess of an ancient country to return them to his homeland. princess, scotland yard, mummy, reincarnation, movie serial, limehouse
ETC.
