Mr. Hippen Efraim - Leningrad - initials EH

C-TThe stigma of the master Tegelste Karl Johann - Leningrad - initials "C -T"

КФClaymo Master Fend Karl Franzevich - Moscow - initials KF - 1883-1908.

KiovKiev City Hall 1735-1774

КСClaymo Master of Spandik Karl Friedrich - Leningrad - initials of "X" - 1874 - early 20th century

GWThe stigma of the master Vekman Gustav - Leningrad - initials "GW"

FGClaymo Master Grabbe Johann Vladimir Friedrich - Riga - initials FG