The stigma of the test master Kalinin (Tver) - Bogdanov Timofei Mikhailov - the initials "TB" - 1812-1839.

Features
- Category
- Assay masters
- Alphabet
- Т-Б 1812
- Years
- 1812–1839
- Shape
- Direction
Description
The stigma of a test master with the image of the initials in the upper part of the stamp "T" and "B", between the letters there is a point, in the middle of the dividing the line, the year "1812" is indicated in the lower part of the stigma.Bogdanov Timofey Mikhailov;In 1809 - the foreman of the silver workshop.(1812-1839) Form: rectangle
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