A Russian early 20th century emerald and diamond flexible line bracelet, the Kokoshnik mark for 1908-1917 the central section composed of five calibre-cut emeralds (untested) with five graduated old brilliant-cut diamonds, to the openwork rectangular links and concealed clasp with makers mark indistinctly stamped PB? length 16.5 cm Condition: Good even colour Showing typical inclusions Diamonds face up well with reasonable/good colour and clarity