
Hallmarks

Moscow Jewelry Factory - "MYu6" - 1956

Moscow Jewelry and Watch Factory - "MYu…

Kharkiv Jewelry Factory - "KHYu0" - 1960

Moscow Jewelry Plant - "MYu34" - 1964

Kharkiv Jewelry Factory - "KHYu4" - 1964

Kharkiv Jewelry Factory - "KHYu5" - 1965

Artel - "MM6" - 1956

Moscow Jewelry Factory - "MYu8" - 1958

Kharkiv Jewelry Factory - "KHYu2" - 1962

Mstyora Artistic Factory - "YuM4" - 1964