Hallmarks of Irkutsk

Hallmarks of Irkutsk: 9 records in the reference, dated between 1777 and 1828. By type: urban — 2, assay masters — 2. Shield shapes here: square — 7, heraldic shield with border — 1, rectangle — 1. 2 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.