A pair of art deco diamond and ruby dress clips, by Lacloche Frères. Photo Christie's Image Ltd 2014

Each old European-cut diamond openwork plaque of overlapping design, enhanced with calibré-cut rubies and baguette-cut diamonds, suspending a triple-row circular-cut ruby tassel, mounted in platinum and 18k gold, circa 1935, with French assay marks (with ear clips of later addition). Signed Lacloche Frères, Paris-Londres. Estimate $20,000 – $30,000

Christie's. MAGNIFICENT JEWELS, 16 April 2014, New York, Rockefeller Plaza - www.christies.com