A Tiffany Necklace With Fanciful Fringe

The Alsatian-born mid-20th-century jewelry designer Jean Schlumberger, who began his career creating surrealist buttons and costume jewelry for the Paris-based couturier Elsa Schiaparelli, spent nearly 30 years at Tiffany & Co. There, in a mezzanine atelier and salon within the American house’s …