Claymo Master Mashe Adolph David - Leningrad - initials of "AM"

LongKlemo Master Long Henry August - Leningrad - initials Long

ХМClaymo of an unknown master Baku - initials of HM 1908

C HeyneClaymo Master Gaine Carl - Leningrad - initials C Heyne

ИАХClaymo of an unknown master, the initials of the IAA, the end of 19 - the beginning of the 20th century

ALClaymo Master Lydikine Aron - Leningrad - initials AL - 1849-1881.

АМЧ-Claymo Master Chewarzin Anton Mihailovich - Moscow - initials of AM-- 1853-1897.