The stigma of the unknown test testing master Tallinn - the initials "B -X" - 1869-1871.

Features
- Alphabet
- В-Х
- Years
- 1869–1871
- Shape
- Direction
Description
The brand of an unknown propulsion master is split into two parts of the line by the middle, the top of the glitch is the initials "B" and "X," between the letters, the point is "1869" below. (1869-1871) Form:
Similar hallmarks

IШ 1895Claymo Probe Master Jelgava (Mitava) - Schmidzek Josif Aleksandrovic - Initiators IS - 1895

I-В 1802Claymo Probe Master of Moscow - Vichliaev Ivan - initials I-B - 1802-1818.

А-С 1816Claymo Probe Master Cazani - Akinfia Silvers - A-C initials - 1788-1822.

ВПClaymo Probe Master Gorky (Nizhny Novgorod) - All Volod - Initiators of the GP - 1824.

ЛЗ 1851Claymo Probe Master Ryazani - Zuk Ludwig Christian - initials of LZ - 1851

В-Л 1861Claymo Probe Master Odessa - Lapshin Vasiliy Matveevich - initials of V-L - 1852-1863.
