Bidspirit auction | Bactrian Lapis Lazuli Spiral and

Bactrian Lapis Lazuli Spiral and Rock Crystal Bead Necklace - 1st millennium B.C.and later. Comprising four cylindrical lapis lazuli beads carved with spiral grooves like a screw thread, interspersed with oblate rock crystal beads, ten tubular lapis lazuli beads flanking the modern clasp, restrung. 52 grams, 73.5 cm (29 in.). with a London, UK gallery 1971-early 2000s.