Radke masters of the masters - Minsk - initke "Radke" - 1892

MODIGClaymo Master Modig Elias - Leningrad - initials of IMODIG

СОКОЛОВЪThe stigma of the master Sokolov Alexander Nikolaevich - Leningrad - initials "Sokolov"

С.П.БУРГЪLeningrad City Hall after 1908 "S.P.BURGANZ"

G.WEISSClaymo Master Weis Gustav - Tallin - G.WEISS - 1791-1818.

С.САМОШИНЪThe stamp of the master Samoshin S. - Moscow - initials "S.SAMOSHIN" - after 1908

C.E.BOLINBolin-Moscow Commercial House - C.E.BOLIN initials - 1889-1916