A fine natural pearl necklace. Photo Christie's Image Ltd 2013

Strung with 94 graduated pearls, measuring from 9.1 to 5.0 mm in diameter, to a diamond-set clasp, 19th Century, 73.0 cm long - Estimate €80,000 – €100,000

Accompanied by a N.E.L. report No. P5091 dated 9th May 2012, stating all pearls to be natural except 16 smaller pearls on each side of the clasp which were found to be cultured (2)

Christie's. JEWELS AND WATCHES. 9 April 2013. Amsterdam