Margaret De Patta, Important Abstract Brooch, sterling in a biomorphic design set with rondels of chrysoprase and carnelian, signed, c. 1945, Model illustrated: Design 1935 – 1965, What Modern Was: selections from the Liliane and David M. Stewart collection ed. Martin Eidelberg, (Montreal/New York: Le Musée des Arts Décoratifs de Montréal/Harry N. Abrams, 1991), p. 100, illus. 130.
@hd_jewels