AN ANTIQUE EMERALD AND DIAMOND BOW BROOCH, AUSTRIA-HUNGARY Designed as a bow set with old European and single-cut diamonds, approximate total weight 2.55 carats, bordered by calibré-cut emeralds, mounted in gold and silver, millegrain accents, weight 5.6 dwt, Austro-Hungarian hallmarks, length 1 15/16 in. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing