Jean Schlumberger for Tiffany & Co. Diamond 'Cooper' bracelet, composed of a line of six openwork cushion-shaped textured links partially decorated with brilliant-cut diamonds alternating between half round ribbed connectors claw-set with a line of diamonds, the diamonds together weighing approximately 8.10 carats, mounted in platinum and 18ct gold, length 170 mm, signed Schlumberger Studios, Tiffany & Co. Literature, John Loring, Tiffany's 20th century: a portrait of American style, Harry N. Abrams, New York, 1997, p. 147 (illustrated, another example).