Pair of platinum, emerald and diamond stickpins. Photo Sotheby's

Set with two fluted emeralds measuring approximately 17.5 by 13.1 by 13.1 mm and 16.0 by 14.0 by 12.2 mm, accented by marquise and single-cut diamonds weighing approximately 2.35 carats, one of the pins with an onyx, diamond and pearl terminal, the terminal indistinctly numbered, with French assay and maker's marks; circa 1920. Estimation 15,000 — 20,000

Sotheby's. Magnificent Jewels. New York | 11 déc. 2013 - www.sothebys.com