The stigma of the master Schwengel Johann Christian - Tallinn - initials "ICS" - 1751-1775.

COThe stigma of the master Orhenius Carlos Gottfried - Tartu - initials "CO" - 1841-1854.

GDThe stigma of the master Dehio Gottfried Erhard - Tallinn - initials "GD" - 1810-1857.

GNClaymo Master Neyman Karl Gustave - Leningrad - initials GN

ССClaymo Master Strelbica Samson Ivanovich - Kiev - initials of the SS - the end of the 18th century - the first quarter of the 19th century

ЕСClaymo of an unknown master of Moscow - initials EU - 1833-1846.

СМClaymo Master Murin Sergey Flegotov, from Podol, initials of SM 1898.