The stigma of the unknown master of Leningrad - the initials "I.R.S."- 1839

H-HClaymo Master Hermanson Herman - Leningrad - initials H-H

F.S.U.Claymo Master Uvarov Fedor Stepanović - Leningrad - initials F.S.U

I.F.A.Claymo Master Akbrella Johann Friedrich - Leningrad - initials I.F.A

ИЖClaymo's an unknown master, the initials of the E.R., are four. 19th century

АЖThe stigma of the master Zhilin Alexander Ivanov - the Great Ustyug - the initials "Al" - 1828-1830.

IЗМClaymo Master Manila Ivan Zinuev - Initiators of IZM