In the late autumn of 1889, the body of an unknown woman appeared on the banks of the Seine River in Paris. It was taken to the city morgue behind Notre Dame and put on display for a month, according to protocol. The eerie beauty of the young woman's expression attracted crowds but no claimant, and so, before the body was dispatched, a mold was taken of the face, yielding a mask which was to become one of the most celebrated cult objets/curios...