Claymo Master Seppe Egor - Leningrad - initials E.C. - 1823-1848.

Similar hallmarks

ECClaymo Master Habas E. - Vilno - Initiators EC - 1848-1860.

HGThe trademark of master Grünbaum Heinrich Gottfried Ferdinand - Tallinn - initials "HG" - 1884-1908.

ВИClaymo Master Ivanov Vasili Ivanovich - Moscow - Initiators of the EVI - 1870-1908

БКClaymo, unknown master Tbilisi, initials of BC, 1899-1908.

СIГClaymo of an unknown master of Moscow - initials of the SIG - 1811.

ЗПClaymo of an unknown master of Moscow - initials of ZP - 1860.
