
Hallmarks

Yerevan Jewelry Plant - "EYu4" - 1964

Leningrad Jewelry and Watch Factory - "…

Yerevan Jewelry and Lapidary Factory - …

Yerevan Jewelry Factory - "EYu3" - 1953

Sverdlovsk Plant No. 10 of the "Russian…

Kyiv Jewelry Factory - "KYu8" - 1968

Yerevan Jewelry Factory - "EYu5" - 1955

Yerevan Jewelry Plant - "EYu5" - 1965

Moscow Watch Repair Plant "Mosremchas" …

Art Fund of the Armenian SSR Isocomplex…