Claymo Master Gilin Petrov - Great Ustug - initials "PG" - 1790-1821.
Similar hallmarks
И.КThe stigma of the masters Krutikov Ivan Kirillovich and Petr Kirillovich - Moscow - initials "I.K"
ИКKlemo Master Kuzmin Ilya Kuzmich - Moscow - initials of IK - 1875-1895.
I-E-FThe stamp of the artist Frank Ioan Enok - Leningrad - initials "I-E-F".
ИГClaymo Master Grigoriev Ivan - Leningrad - initials of IG - 1825-1862.
IHLLanski Yakob Henrich - Riga - initials IHL - early 19th century
Н-ИClaymo of an unknown master of Moscow - initials of the N-I - 1796-1807.