Claymo Leningrad's probe is Moskhalkin Nikifor, initials of NM 1772-1800.

Features
- Category
- Assay masters
- Alphabet
- Н-М
- Years
- 1772–1800
- Shape
- Direction
Description
Nikifore's Machine, the glue of a probe with a picture of the initial "H" and "M" between the letters is the point. (1772-1800) Form:
Similar hallmarks

ГКClaymo Master of the Cops of Gerasim Fedorov - Moscow - initials of the GK - 1700-1736.

F.SClaymo Master Segnic Christian Friedrich - Leningrad - initials F.S.

ESClaymo Master Selstrom Eric Vilgelm - Leningrad - initials "ES"

S-MThe stamp of the master Malm Samuil - Leningrad - initials "S-M".

IЗМClaymo Master Manila Ivan Zinuev - Initiators of IZM

F.LThe stigma of the master Lenquist Frederick - Leningrad - initials "F.L"
