Formerly from the collection of Madame Hélène Rochas
Previously sold at Christie's Geneva, Magnificent Jewels, 12 November 2013, Lot 231
Please note that a party with a financial interest will be bidding on Lot 168.
THE COLLECTION OF ROBERT AND SYLVIA OLNICK
Cf. F. Cailles, René Boivin: Jeweler, Paris, Éditions de l’Amateur, 1994, p. 315