
Hallmarks

Baku Jewelry and Watch Factory - "BYu4"…

Moscow Jewelry Factory - "MYu6" - 1956

Kharkiv Jewelry Factory - "KHYu0" - 1960

Jewelry and Watch Workshop of the "Prog…

Kyiv Jewelry Factory - "KYu5" - 1965

Artel - "MM6" - 1956

Moscow Jewelry Factory - "MYu0" - 1960

Moscow Jewelry Factory - "MYu8" - 1958

Metalware Plant No. 1 - "M12" - 1962

Riga Jewelry and Watch Factory - "RYu4"…