Ribbed bead

198MA
Roman ribbed bead
Central Europe
Date: 4 century AD

Plano-convex with longitudinal ribs. Each rib is cross-stamped. Double hole.
Intact, very good condition.
Height 8 mm, diameter 25 mm

For similar published examples 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. 50: 57
- Alexeeva E.M. Antichniye busi severnogo prichernomoriya, Academy of Science, Moscow, 1978, table 33: 57
- T. E. Haevernick, Beiträge zur Glasforschung: Die Wichtigsten Aufsätze von 1938 bis 1981, Mainz, 1981, p. 266, abb. 1
- M.Spaer. Ancient glass in the Israel Museum. Beads and other small objects, Jerusalem, 2001, p.76: # 56