Mr. Meyer Karl Friedrich - Leningrad - initials of "MEYER"

REICHARTClaymo Master Reichart - Leningrad - Initiators of REICHART

M.ZYBERTClaymo Master Cybert M. Harkov - initials of M.ZYBERT - after 1908.

БР.МАРКОВЫMarka Pavel and Fedor - Moscow - initials of BR.MARKOV - 1895-1917

ЩЕКЛЕЕВClaymo Master of Szczecleev - Kiev - the initiators of SCHUCKLEEV - the beginning of the 20th century

MICHELSENThe stigma of the master Michelsen Leopold Eduard - Tallinn - initials "Michelsen" - 1847-1888.

FABERGEClaymo Master Faberge - Leningrad - FABERGE initials