Vintage 50s Genuine Gem Stone Graduated Bead Necklace Silver Clasp Amethyst

Gorgeous 1950s graduated gemstone bead necklace. Hand knotting between each bead. Silver flower filigree clasp. The stones include, Amethyst, Tiger's Eye, Rose Quartz, Carnelian (agate), and Jade (or aventurine?) Flawless condition. I am leaving the polishing of the clasp up to the new owner :) Measures 26" long with the largest beads measuring 15mm in diameter and the smaller beads measuring 10mm in diameter. Questions and offers are welcomed :)