Lot Essay
Cf. Marguerite de Cerval, Mauboussin, Editions du Regard, Paris, 1992, page 79
Cf. Suzanne Tennenbaum and Janet Zapata, Jeweled Garden: A Colorful History of Gems, Jewels and Nature, The Vendome Press, New York, 2006, page 75
Cf. Suzanne Tennenbaum and Janet Zapata, Jeweled Garden: A Colorful History of Gems, Jewels and Nature, The Vendome Press, New York, 2006, page 75