Casque d'Or ("Golden Helmet") is a 1952 French historical-drama film directed by Jacques Becker. It is a Belle Époque tragedy, the story of an ill-fated love affair between characters played by Simone Signoret and Serge Reggiani. The story was loosely based on an infamous love triangle between the prostitute Amélie Élie and the Apache gang leaders Manda and Leca, which was the subject of much sensational newspaper reporting during 1902.It was shot at the Billancourt Studios in Paris and on location around the city. The film's sets were designed by art director Jean d'Eaubonne.