Brand category "Assay masters"

М-З 1854 The stigma of the test master of Penza - Zakharov Mikhail Vasilievich - initials "MZ" - 1851-1860.

Д-С The stigma of the test master of Pskov - Serebrenikov Dmitry - initials "D -s" - 1754-1768.

И-С The stigma of the test master of Riga - Spiridonov Ivan - initials "I -S" - 1873-1889.

Ф-Д The stigma of the test master of Smolensk - Danilov Philip - initials "F -D" - 1754-1760s.

Л-Р The stigma of the test master of Smolensk - Rakhilin Luke Petrov - the initials "lr" - 1854-1861.

А-К The stigma of the test master of Tbilisi - Karpinsky - initials "A -K" - 1823-1829.

Ф-Б The stigma of the test master of Tobolsk - Bogomolov Fedor Yakovlevich - initials "F -B" - 1860-1872.

Л-В The stigma of the test master of Tobolsk - Vlasov Lev - initials "l -v" - 1757-1780.

В-А The stigma of the test master of Yaroslavl - Agafonov Vasily Afanasyev - the initials "B -A" - 1842-1858.

В-А The stigma of the test master of Yaroslavl - Agafonov Vasily Afanasyev - the initials "B -A" - 1842-1858.

А-К 1853 The stigma of the test master of Yaroslavl - Kudrin Alexander Stepanovich - initials "A -K" - 1850-1857.

Н-Л The stigma of the test master of Yaroslavl - Nikolai Vasiliev Lucinov - the initials "N -L" - 1832-1892.

В-Н Vladimir's probe, Nechay Vassilia Herasimov, initials V-H, 1778-1794.