Stratified eye

20EA
Stratified eye bead
4 century BC
Mediterranean region

4- layers (alternative white/ brown with blue center), 7 eyes, placed in staggered pattern in 2 rows.
Diameter: 1.9 cm
Height:    1.6 cm
Intact, good condition.

For similar beads see:
-Kunter K. Glasperlen der vorromischen Eisenzeit IV. Schichtaugenperlen. Marburger Studien, 1995, taf. 3: 49
-Spaer M., Ancient Glass in the Israel Museum. Beads and other small objects. Israel Museum, Jerusalem, 2001, pl. 8: 99 (same type)
-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. 107 (type).