The book is devoted to the study of money circulation of Ancient Russia in the medieval era. The first part of the publication is the monograph "Monetary Weight Systems of the Russian Middle Ages," published in 1956 and which has long become a bibliographic rarity. The second part contains articles reflecting the history and processes of the formation and development of the monetary system of Novgorod in the X-XIV centuries, as well as the organization of the Novgorod mint in the XV-XVII centuries.