Master's Mark of Lenkvist Frederik - Leningrad - initials "F.L"

St. Petersburg Assay Master's Mark - Ni…

Assay Master's Mark of Vladimir - Vasil…

Master's Mark of Fedor Pyrin - Krasnoe …

Assay Master's Mark of Kostroma - Ivan …

Assay Master's Mark of Vladimir - Vasil…

Maker's Mark of Master Ikonnikov Vasily…

Master's Mark of German Germanson - Len…

Hallmark of an Unknown Leningrad Master…

Hallmark of an Unknown Irkutsk Master -…

Master's Mark of Henrik Tallberg - Leni…