A vintage 1960s black onyx and 9ct gold signet ring.

The onyx is oval and 12 x 10mm and is plain

Assayed and hallmarked in Dublin 1960 as 9ct gold. (Hibernia has her palm lifted rather than a straight arm as depicted in the 1983 version of the Hibernia)

Size; is UK "T" and size US is "9.3/4W. head width = 14mm. band width = 3.2mm. weight = 5.5 gram.