Claymo Master Erman Jacob Johann - Tallinn - Initiators IO - 1775-1816.

HCOThe stigma of the master of Ordelin Hayno Christian - Tallinn - initials "HCO" - 1759-1780.

GOClaymo Master Okreblo Gustave Magnus - Leningrad - initials of GO

МБClaymo of an unknown master - initials of the MB - 1891.

ФДСClaymo Master Smirnov Fedor Dmitriev is a tree. The mill is the initials of the FDS, 1896.

ИФАKleimao Master Andreyev Ivan Fedorović - Moscow - initials of IFA - end of 19 - early 20th century

И.Э.Claymo of an unknown master of Odessa - initials of I.E. - 1873-1875.