Claymo Master Ogurechnikov Olga Aleksandrovna, with red initials of "O" 1898.

Similar hallmarks

СВThe stigma of the master Voznesenko Semen Lukyanovich - Kyiv - initials "SV" - 1784-1834.

COThe stigma of the master Orhenius Carlos Gottfried - Tartu - initials "CO" - 1841-1854.

DBClaymo Master Bruns Daniel - Tallin - initials DB - 1768-1772.

ЯСKleimo, unknown master Kiev, initials of the YAS, 1899-1908.

ФОClaymo Master of Ovcinnikov Fedor Alexeiwich - Moscow - initials of FO - 1881 - early 20th century

Ф:СClaymo of an unknown master Leningrad - initials F:C - end of 19th century
