Mr. Wolcott Blair and Mrs. Ellen Yuille Blair, Cannes, France, 1926. THE BLAIR FAMILY Described by Harper’s Bazaar in October 1927 as “extremely popular in the younger fashionable set,” Mr. Wolcott Blair and Mrs. Ellen Yuille Blair were highly admired...

A pair of emerald and diamond earclips, circa 1955. Photo: Bonhams. Each crescent-shaped earclip set with a central cabochon emerald within a radiating spray of old brilliant, brilliant, single and baguette-cut diamonds, diamonds approximately 6.00 carats...

A diamond double-clip brooch-necklace, circa 1955. Photo: Bonhams. The two pierced scrolling plaques, centrally-set with three cushion-shaped diamonds, the largest weighing 3.75 carats, within a baguette, brilliant and single-cut diamond undulating surround,...

Ebony and diamond ring, René Boivin, circa 1955 The tapering gold and ebony band of bombé form decorated with a panel of pavé-set round diamonds weighing approximately 2.60 carats, mounted in 18 karat gold, size 4½, signed René Boivin, maker's mark, assay...