The article examines the activity of a little-known privately owned enterprise that competed with the Yekaterinburg Imperial Stone-Cutting Factory in the 1960s-1880s, its owner and produce. The author provides information about the participation of the factory in question in national and international exhibitions, as well as information about the evaluation of works given by both Russian and foreign specialists. for the First time in history, illustrations collected with regard to the attribution of works give a pictorial presentation of the factory’s range of products.