A beautiful roman glass pendant, the material may also be obsidian or volcanic glass.
The pendant is quiet a find and many references of such pendants can be founds.
Notably a very similar pendant in the Met Musum.
Provenance:
Originally from a private Spanish Collection.
https://antiquesarmoury.com/product/3rd-4th-century-roman-glass-pendant-shaped-like-a-jar/






























Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato