Claymo of an unknown propulsion master of the Costrom - initials "C-A" - 1769-1790.

Features
- Alphabet
- 1769 С-А
- Years
- 1769–1790
- Shape
- Direction
Description
Claymo of an unknown probe with an image of the year 1769 in the top and the letters "C" and "A" in the bottom. There's a point between the letters. (1769-1790) Form:
Similar hallmarks

ГШ 1804Claymo Probe Master Vologistda - Shiskin Grigori - initials of HS 1790-1806.

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

А-П 1864The hallmark of the assay master of Vologda - Polyakov Alexander Ivanovich - initials "A-P" - 1858-1861.

1782 С-ЗThe Claymo Probe Master of the Costrom - Semen launches - initials of the S-Z - 1782.

С-МThe hallmark of the assayer Gorky (Nizhny Novgorod) - Menshikov Semen Maksimov - initials "S-M" - 1769-1800.

1766 I-ДClaymo Probe Master Vlogda - Dubrovin Ivan - initials I-D - 1755-1766.
