A SAPPHIRE, DIAMOND, PLIQUE A JOUR ENAMEL AND GOLD MEDALLION PENDANT, BY F. VERNON

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A SAPPHIRE, DIAMOND, PLIQUE A JOUR ENAMEL AND GOLD MEDALLION PENDANT, BY F. VERNON
Designed as a calibré-cut sapphire, rose-cut diamond, blue plique à jour enamel and sculpted 18K gold oval plaque depicting Mary Magdelen, suspended from a rose-cut diamond bail, with a French hallmark, circa 1895
Signed by F. Vernon