
Hallmarks

Moscow Jewelry Factory - "MYu6" - 1956

Moscow Jewelry Plant - "MYu36" - 1966

Moscow Jewelry Factory - "MYu1" - 1961

Moscow Jewelry Factory - "MYu0" - 1960

Kyiv Jewelry Factory - "KYu6" - 1966

Kharkiv Jewelry Factory - "KHYu6" - 1966

Moscow Jewelry Factory - "Yu-5" - 1965

Moscow Jewelry Factory - "Yu7" - 1967

Moscow Jewelry Factory - "Yu-3" - 1963

Moscow Jewelry Factory - "Yu8" - 1968