
Hallmarks

Tallinn Jewelry Factory - "T30" - 1960

Tallinn Jewelry Factory - "G4" - 1964

Tallinn Jewelry Factory - "G6" - 1966

Moscow Jewelry Plant - "MYu32" - 1962

Tallinn Jewelry Factory - "TF8" - 1958

Tallinn Jewelry Factory - "G7" - 1967

Tallinn Jewelry Factory - "TF3" - 1953

Tallinn Jewelry Factory - "T33" - 1963

Tallinn Jewelry Factory - "G4" - 1965

Jewelry Workshop "Yukhendus" - "Yu2" - …