The mark of the master Enkenberg Mikhail - Leningrad - initials "M-E-"
Similar hallmarks
G-F-RClaymo of unknown master Leningrad - initials of G-F-R - 1846-1849.
Н*Т*Г*Claymo Master Gurianov Nikolai - Moscow - initials N*T*G* - 1868-1883.
HALKlemo Master Long Henry August - Leningrad - initials of HAL.
H.TClay Master Tallberg Henrik - Leningrad - Initiates "H.T"
E-MClaymo Master Modig Elias - Leningrad - E-M initials
E-L-MClaymo of an unknown master Leningrad - E-L-M initials 1780-1782.