Oscar Heyman and Bros. jade and diamond pins. Two elegant pins worn best together, designed as yellow and white diamond sprays mounted in platinum and 18kt yellow gold (app. 3 1/2 carats total weight), extending carved nephrite jade leaves, hallmarked for Oscar Heyman & Bros., numbered 200799 and 200800 respectively, single pin backs and safety catches, ca. 1980. Via 1stdibs.