AN ART NOUVEAU DIAMOND, PLIQUE A JOUR ENAMEL AND GOLD TRIPTYCH PENDANT, F.VERNON

Details
AN ART NOUVEAU DIAMOND, PLIQUE A JOUR ENAMEL AND GOLD TRIPTYCH PENDANT, F.VERNON
The red, green, yellow and blue plique à jour enamel and gold folding panels designed as stained-glass windows, opening to reveal the Madonna and Child in sculpted gold, her halo set with rose-cut diamonds, against a blue plique à jour enamel background, within an engraved gold oval frame, suspended from a rose-cut diamond bail, circa 1900
Signed by F. Vernon
Literature
Penny Proddow and Marion Fasel, "Diamonds, A Century of Spectacular Jewels", Harry N. Abrams, Inc., New York, 1996, pp. 34 & 36