Pavlov's Master Claymo - Odessa - initials of the 20th century

Н.МЕХОВЪClaymo Master of Mekhov N. - Leningrad - initials of "N. MECHOV" - after 1908.

Ф.ЛОРIЕClaymo Master Lori Fedor Anatolyvic - Moscow - initials of F.LORIE

ПРОГРЕССЪMoscow Silver Station - initials of "PRIGRESS" - 1899-1908.

AMULLERClaymo Master Muller Andreas - Leningrad - Initiators of "AMULLER"

САЗИКОВАThe stigma of the master Sazikov Evdokia Pavlovna - Leningrad - the initials of "Sazikov" - the 70-80s.19th century

A.RIDELClaymo Master Ridel A. Minsk - Initiators A.RIDEL - 1891