Hallmarks of Kostroma

Hallmarks of Kostroma: 53 records in the reference, dated between 1746 and 1967. By type: masters — 16, urban — 9, assay masters — 5. Shield shapes here: rectangle — 28, elongated rectangle — 3, oval — 3, heart — 2. Most frequent: Костромская ювелирная фабрика — 6. 24 different makers and works are named. Every entry carries an image of the mark, its letters, the years it was in use and the shape of the shield. A city mark was struck by the assay office of the town where the item was tested, next to the maker’s initials and the fineness mark. This combination is what ties a silver or gold object to a place and a date.