Goossens French Fashion Haute Couture Plastron Necklace Circa, 1950, Glass Beads. Maximum width approximately 9 cm Neck circumference approximately 50 cm total weight approximately 146 g. This necklace was mounted on nylon thread. Do not lose sight of the fact that nylon thread was invented in 1935 and was often used for its qualities of invisibility and strength, even in haute couture. Very good vintage condition. This necklace is made of pearls, gray fantasy and blue and yellow glass beads micro wear of use, on some gray beads. Condition: Used: Item that has been worn. ... Used: Item that has been worn. any imperfections. Dominant stone: Pearl Type: Plastron Brand: Goossens Dominant color: Blue Material: Glass Theme: Pearls