
Hallmarks

Yerevan Jewelry Plant - "EYu7" - 1967

Leningrad Jewelry and Watch Factory - "…

Kyiv Jewelry and Watch Factory - "KYu3"…

Baku Jewelry Factory - "BYu7" - 1967

Kyiv Jewelry Factory - "KYu8" - 1958

Yerevan Jewelry and Lapidary Factory - …

Kyiv Jewelry Factory - "KYu4" - 1964

Sverdlovsk Plant No. 10 of the "Russkiy…

Kyiv Jewelry Factory - "KYu6" - 1956

Kyiv Jewelry Factory - "KYu6" - 1966