Vintage 50s 60s Japan signed double strand beaded necklace MCM mid century

Lovely mid century Japan signed double-strand necklace featuring metallic green acrylic and clear lucite graduated beads, gold tone accents and hook closure, and 3” beaded extension chain. In excellent vintage condition. Length: 14.5” - 17.5” (longest); 12.5” - 15.5” (shortest)