This beautiful Cartier butterfly bracelet is a special masterpieces from Cartier antique jewelry collection, which the Butterfly Transformable to Pin Brooch. In 1994, the Cartier Foundation moved to the Rive Gauche and opened a headquarters in a building designed for it by Jean Nouvel. Following the accidental death of Robert Hocq in December of that year, his sister, Brigitte Hocq, …