Claymo Master Swinarski M. Minsk - Initiators M-S - 1874.
Similar hallmarks
Я.АClaymo of an unknown master Leningrad - the initials of "I.A." - around 1825.
СКClaymo Master Kozak Semen - Orel - initials of the UK - 1847-1855.
АЖThe stigma of the master Zhilin Alexander Ivanov - the Great Ustyug - the initials "Al" - 1828-1830.
А-ВKlemo, unknown master of Moscow, initials A-V, 1792-1798.
F.AClaymo Master Allenius Fabian Frederick - Leningrad - initials F.A
В-ИClaymo Master Iconnikov Vasili Petrov - Moscow - initials V-I - 1762-1800.