Oval intaglio in garnet with a concave back; engraved with a bust of a woman in profile; before her a brāhmī inscription in four characters (note: image reversed).

 

 

Images:
Oval intaglio in garnet with a concave back; engraved with a bust of a woman in profile; before her a brāhmī inscription in four characters https://doi.org/10.5281/zenodo.3803450