
Hallmarks

Kharkiv Jewelry Factory - "KHYu7" - 1967

Moscow Jewelry Factory - "MYu1" - 1961

Jewelry and Watch Workshop of the "Prog…

Kharkiv Jewelry Factory - "KHYu4" - 1964

Kharkiv Jewelry Factory - "KHYuZ" - 1963

Moscow Mint of Goznak, Ministry of Fina…

Riga Jewelry and Watch Factory - "RYu3"…

Metalware Plant No. 1 - "M12" - 1962

Povolzhskaya Jewelry Factory of the Iva…

Metalware Plant No. 1 - "M14" - 1964