
Hallmarks

Moscow Jewelry Factory - "MYu6" - 1956

Moscow Jewelry Plant - "MYu35" - 1965

Promkombinat - "M6" - 1956

Moscow Jewelry Plant - "MYu32" - 1962

Artel - "MM6" - 1956

Moscow Watch Repair Plant "Mosremchas" …

Metalware Plant No. 1 - "M12" - 1962

Metalware Plant No. 1 - "M10" - 1960

Metalware Plant No. 1 - "M13" - 1963

Metalware Plant No. 1 - "M11" - 1961