Brooches Jewels : Hermann Jünger / Detail of a brooch-1970-72 Gold, emeralds, chrysoprase, sapphi… 18 September 2018 3188 Brooches Jewels : Hermann Jünger / Detail of a brooch-1970-72 Gold, emeralds, chrysoprase, sapphires, opals, lapis lazuli, and enamel.