The Clue of the New Pin is a 1961 British second feature ('B')[1] crime film directed by Allan Davis and starring Paul Daneman, Bernard Archard and James Villiers.

TV journalist Tab Holland assists Scotland yard with the murder of a reclusive millionaire whose corpse is discovered locked in a vault.

The Monthly Film Bulletin wrote: "A listless attempt is made to bring this old-fashioned Edgar Wallace thriller up-to-date by introducing a television announcer, contemporary furniture and nylon thread.

As it is, with its Chinese manservant, vaulted treasure and fortune made "out East" (to say nothing of the footling trick with key and pin on which the plot revolves), it is merely an unlikely oddity among second feature thrillers.

"[4] TV Guide called it "slightly better than most of the 47 Edgar Wallace second features that producer Greenwood put out between 1960 and 1963.