1960s Japan Double Strand Light Blue White Gold Round Beads Adjustable Necklace

Statement making doubles strand of icy blue, white & gold round graduating plastic beads adjustable choker necklace with j-hook clasp & beaded extension chain circa 1960's. Hallmarked Japan, the beads measure 1/4 inch to 1 inch in diameter by 18 inches (end to end (including the hook & extension chain). Although pre-owned, the necklace is in very good condition. The beads have small scratches. The beads are still strung tightly. Consider the pictures to be part of the description. Don’t hesitate to ask any questions.