Mosaic bead

309MSA
Roman mosaic bead
Date: 1- 2 century
Mosaic glass

Bead's matrix is formed by folding a premanufactured mosaic strip over a rod. Mosaic strip is composed of sections of concentric blue/white/blue/white/blue mosaic canes. 
Intact, very good condition.
Height 15 mm, diameter 16 mm

For similar beads see:
-Alexeeva E.M. Antichniye busi severnogo prichernomoriya, Academy of Science, Moscow, 1975, table 13: 42
-M.Spaer. Ancient glass in the Israel Museum. Beads and other small objects, Jerusalem, 2001, p. 123 cat.204 (different cane's color combination).