Moscow Assay Master's Mark - Andrey Antonovich Kovalsky - initials "A-K" - 1821-1856

Hallmarks-Assay Masters

Letter: A-K 1843
Year: 1821-1856
Shape: Rectangle
Description: Andrey Antonovich Kovalsky. In 1821, he was the Ober-Bergprobierer (Chief Mining Assayer), and from 1856, the Senior Assayer in Moscow. The master's mark features the initials "A" and "K" with a dot between them, a dividing line in the center, and the year "1843" in the lower part. (1821-1856) Shape: Rectangle