Niki de Saint Phalle was a highly important sculptor famed for her Nana sculptures. She was married to the famed Sculptor Yves Tinguley. She designed beautiful jewelry made in limited editions. This Heart brooch is one of her best. The hearts all swing, bringing movement and life to the brooch. Enamel on 18k gold, hand signed Niki de Saint Phalle, 1990, and 33/33. With original fitted box. 2.25″H x 2.50″W.