Banded Agate Bead Necklace. Western Asiatic, 4th-2nd Millennium B.C. . Banded Agate Bead Necklace. Western Asiatic, 4th-2nd Millennium B.C. Brown and cream banded agate ellipsoid and rectangular tabloid beads. 19 long. Restrung with modern clasp. Value Range $300-$400.