LUCIEN GAILLARD - AN ART NOUVEAU ENAMEL AND MOONSTONE NECKLACE. The pendant necklace designed as triad of diving birds embellished by varied blue enamels accented by a moonstone bead drop, suspending by a fancy link chain of black enamel bar links alternating with moonstone beads, mounted in 18K yellow gold, signed L. Gaillard. Source: Christie&#x27;s catalogue, Sale 9400, Important Jewelry, 29 March 2000, Los Angeles.