Mosaic bead

39MSA
Roman period mosaic glass bead
Date: 1 century
Mosaic cane glass

Dark blue matrix covered by three "x" of a premanufactured mosaic white-blue-white strips and three eyes in between.
Intact, excellent condition.
 
Height 11 mm, diameter 15 mm.

For similar beads see:

-Véronique Arveiller-Dulong, Marie-Dominique Nenna.  Les Verres antiques du Musée du Louvre III : Parure, instruments et éléments d’incrustation, Paris, Éditions du Louvre, Somogy, 2011, p. 157: 202