Antique Black Glass Bead Necklace, 1920s Art Deco Flapper 。This elegant Art Deco-era necklace features a classic black and clear crystal bead design, beautifully arranged in a long flapper-style strand. The alternating faceted glass beads create a striking contrast, with the clear crystals reflecting light and the black beads adding depth and definition. Each bead is individually wire-linked, giving the necklace fluid movement and durability typical of well-made early vintage pieces. The faceting style and construction are consistent with 1920s–1930s Art Deco jewelry, offering geometric simplicity with timeless sophistication. At an impressive 53-inch length, this necklace offers versatile styling options—wear it long, doubled for a layered look, or draped for an authentic flapper-era aesthetic. This necklace would be perfect for: Art Deco and Jazz Age collectors Flapper or Gatsby-inspired styling Formal events or evening wear Layering with other vintage necklaces A unique vintage gift with strong historical appeal Approximate Measurements: Length: 53 inches Weight: 3.4 ounces Condition: Good vintage condition. Light wear consistent with age; some minor patina to metal links and typical bead wear visible under magnification. See photos for details. Hallmark: Unsigned Clasp: Spring ring closure P 2768