CARTIER GRADUATED NATURAL PEARL CHOKER WITH PLATINUM AND DIAMOND CLASP,early 20th century. 85 pearls graduating from 3 mm to 8.5 mm; barrel-form tongue-and-groove clasp pave-set with 56 graduated old mine-cut diamonds. With original fitted, velvet and silk-lined red leather box stamped "Cartier" and "S.D.R."' for Sara Delano Redmond, cousin of Franklin Delano Roosevelt. - L: 18 3/4 in., including clasp. Estimate $4,000-6,000
