Mosaic bead

30MSM
Byzantine / Islamic mosaic glass bead
Date: 7 - 9 century
Mosaic cane glass

Bead's matrix is made up of sections of premanufactured mosaic cane with yellow-in-red center.  
Intact, excellent condition.
 
Height 12 mm, diameter 14 mm.

For published similar beads see:

-  V.Kovalevskaya, Komputernaya obrabotka massovogo arhaeologicheskogo materiala is rannesrednevekovih pamyatnikov Evrasii, Moscow, 2000, p.75, p.93 #254
-  A.Panini, Middle Eastern and Venetian Glass Beads, Skira, 2007, p. 58 #83, p. 88, p. 115