Ancient Rus' "Rezana" Half of Abbasid Dirham al Mahdi Mint Madinat al Salam 161 AH
Silver 1.48g; 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)