Souvenir and Art Factory - "Yu1" - 1961

Baku Jewelry Factory - "BYu2" - 1962

Baku Jewelry Factory - "BYu0" - 1960

Baku Jewelry Factory - "1BYu" - 1971

Tbilisi Jewelry Factory - "TYu1" - 1961

Kharkiv Jewelry Factory - "KHYu1" - 1961

Baku Jewelry Factory - "BYu6" - 1966

Kyiv Jewelry Factory - "KYu1" - 1961

Sinkov Jewelry and Art Factory - "S-1" …

Baku Jewelry Factory - "BYu1" - 1961

Sverdlovsk Jewelry and Lapidary Factory…