Vintage Satin, Iridescent & Textured Beaded gold tone tiered spirals Necklace

Vintage Double Two Strand Beaded Choker Collar Necklace marked japan on clasp. Approx length including beaded extender is just over 17 1/2”. Has four types of beaded, large round gold satin finish, large gold round textured with green, smaller iridescent round beads in purple and green, and gold tone openwork angled spirals. Excellent condition, could use a light cleaning.