Ancient Rus' "Rezana" Half of Abbasid Dirham al-Mansur w.al-Mahdi Muhammad as heir Mint al-Muhammadiya 152 AH
Silver 1.63g; Rezana - money-weight unit of the Ancient Rus' of 9-11th C. It is clipper dirham or part of dirham, which fits to some weight standard, depended on time and territory (Novgorod, Smolensk, etc.). The word rezana originates from the verb rezat' (to cut)