Postby AG2012 » Fri Nov 05, 2021 5:11 am
Hi,
Tbilisi Jewelry Factory (Тбилисская Ювелирная Фабрика).
Hellenic letter omicron is for Tbilisi assay office. When star mark was introduced in 1958 omicron was replaced with Cyrillic Г (G).
Meaning, ТЮ8 and worker`s head with hammer mark and omicron is year 1958.
Regards