Set with natural baroque pearls and cushion shape diamonds. French assay and maker’s marks for Mellerio, fitted case stamped Mellerio-Borgnis. Circa 1870. Photo courtesy of Sotheby’s.
Set with natural baroque pearls and cushion shape diamonds. French assay and maker’s marks for Mellerio, fitted case stamped Mellerio-Borgnis. Circa 1870. Photo courtesy of Sotheby’s.