Deep Blue Natural Turquoise Disk Bead Necklace

Vintage hand strung bright blue natural turquoise disk bead necklace. Beads are graduated from 4.4mm to 9.5 mm in diameter. It is finished at the clasp with hand soldered bench beads called "hogans". They are 6.6 mm in diameter. Measures 15 1/2" long. Weight: 45 grams. On original hand tied string. No hallmarks.