This necklace is a vintage Aurora Borealis (AB) faceted crystal bead necklace, likely dating from the 1950s or early 1960s. The beads are coated with an iridescent "Aurora Borealis" finish, which creates a shimmering, rainbow-like effect when they catch the light. Retro Kandy Vintage Key Features Bead Style: It features graduated, faceted round or bicone glass crystal beads. Length: These necklaces are typically found in lengths ranging from 16 to 20 inches, often designed to be worn as a choker or a short strand. Materials: High-quality versions often use Austrian or Swarovski crystals. Some are signed by notable vintage brands such as Laguna or Lisner.