Master's Mark of Semyonov Petr - Moscow - initials "PS" - 1739-1777

Master's Mark of Ioakim Klishin - Volog…

Moscow Annual Hallmark - 1686-1687

Mark of an Unknown Kiev Master - Initia…

Maker's Mark of Sukhanov Ivan Gerasimov…

Master's Mark of Gavrilov Ivan Gavrilov…

Master's Mark of Jakob Stabenau - Riga …

Master's Mark of Mansfeld Christopher I…

Hallmark of an Unknown Novgorod Master …

Master's Mark of Grigoryev Ivan - Mosco…

Master's Mark of Alekseev Petr - Moscow…