2 films by the one who launched the Cinémathèque Française with Henri Langlois :
"Judex" and "Shadowman"

JUDEX (1963 - 94') : Favraux, an unscrupulous banker, receives a threatening note, signed by "Judex", demanding that he pay back the people he has swindled. He refuses, and apparently dies after a midnight toast at his masked ball...
SHADOWMAN (1973 - 105') : Shadowman, a thief whose head is covered by a red mask, and his cat-suited assistant, try to find the fabled treasure of the ancient Knight Templars from a surviving sect in Paris.

BONUS: DVD 1 : Interview with Jacques Champreux, co-writer of Judex.
CD-Rom Part : New interview with Georges Franju by Jean-André Fieschi and André-S. Labarthe (Cahiers du cinéma, Nov. 1963). "Feuillade et son double" by Jean-André Fieschi (Cahiers du cinéma, Apr. 1964) ; "Judex" byr Jacques Rivette (Cahiers du cinéma, Apr. 1964).
DVD 2 : Interview with Jacques Champreux, writer of Shadowman.