Lot Essay
Cf. Chantal Bizot, The Jewels of Jean Schlumberger, Harry N. Abrams, Inc., New York, 2001, page 66
Cf. John Loring, Tiffany Jewels, Harry N. Abrams, Inc., New York, 1999, page 204
Cf. John Loring, Tiffany Jewels, Harry N. Abrams, Inc., New York, 1999, page 204