Necklace Collection :
Magnificent Jewels | Sotheby's. Sotheby's is auctioning Queen Josephine's pearl necklace, a double strand of large natural pearls with pearl and diamond pendants. The necklace was probably given by Empress Joséphine to her daughter-in-law Augusta, Duchess of Leuchtenberg, and then to Augusta's daughter, Queen Josephine. It eventually passed out of the main royal line and was sold. It will now be sold again.