Claymo Master Lebedev Nikita - Moscow - initials of NFL - 1883-1908.

ВКKleimo, unknown master Kiev, initials of VC, 1899-1908.

ФЯThe stamp of the master Yartsev Fedor Kirillovich - Moscow - initials "FY" - 1881-1896.

В.Т.С.Claymo Master of Sokolov V. T. - Moscow - initials of V.T.S. 1908.

Ф-БClaymo Master Bushkovsky Fedor Klimov - Great Ustug - initials F-B - 1795-1834.

GNClaymo Master Neyman Karl Gustave - Leningrad - initials GN

С.Т.Ф.Claymo of an unknown master of Kiev - initials of S.T.F. - the beginning of the 20th century