Checker bead

52MSA
Mosaic checkerboard bead
Roman period
1- 2 century
Mosaic cane glass

Folded (the seam is clearly visible) from fused together 3 section of the same complex mosaic cane. Manufactured in several stages, complex mosaic cane consists of square-in-sections sub-canes, placed around a center.
Intact, excellent condition.
Height 16 mm, diameter 14 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. 158: 203-1, 203-8, 203-13, 203-16