3327207 Bow brooch, 18th-19th century (emeralds, diamonds & silver) by Unknown Artist, (19th century); width: 7.2 cm; Private Collection; (add.info.: Of bow design, the hexagonal shaped emerald and old-cut diamond cluster centre with further diamond line border, to the similarly-set double loop ribbon either side, closed set in silver, 18th and 19th century elements, 7.2cm wide, later brooch fitting ); Photo 穢 Christie\'s Images.