The stigma of the master of the cherries Johann Friedrich - Leningrad - initials "FD"
Similar hallmarks
EDClaymo Master Dobberman Efraim - Riga - ED initials
ТРClaymo Master Timofei Filippovic - Moscow - Initiators of T.R. - 1896 - early 20th century
ГЛClaymo Master Lackin Grigori - Moscow - initials of the GL - 1736-1769.
КРClaymo of an unknown master Leningrad - initials of the CR - 1884 - after 1908.
НКKlemo Master Kemper Nikolai Fedorovich - Leningrad - initials of NK - 1892-1908.
НЯClaymo Master Janichkin N. D. Leningrad - initials of NJ - 1888-1895.