Kievan Rus. Mstislav Vladimirovich (Kiev, 1125-1132). PB seal with St. Theodor of Amasea. Huletski/Doroshkevich #10. PB. g. 1.78 mm. 11.00 VF.
This is a monetary lead seal that was used for fur money in Kievan Rus' (11-12 th centuries). Thus, dukes could exploit their monetary regalia in the absence of silver coinage. Circulation of sealed fur bundles is witnessed by an Arabic traveller, Abu Hamid al-Gharnati, as well as some other authors, in the middle of the 12th century.