INFORMATION ABOUT THE HOARD OF BULGARIAN COINS OF THE FIRST QUARTER OF THE 15TH CENTURY FROM THE CHISTOPOL DISTRICT OF TATARSTAN

Abstract

Abstract. The article considers an unreleased treasure of Bulgarian coins of the first quarter of the 15th century, found in the Chistopol region. The total number is 423 copies with the names of the Golden Horde khans Shadibek, Pulad, Timur, Jalal al-Din, Kibak, Chekre, Dervish and Muhammad (Haji Muhammad). The time range of the issued coins is 1402-1420. The article provides a comparative analysis of the metrology of Bulgarian coins from the published complex using materials from previously published treasures - Izmersky and Tetyushsky. According to the results of the study, it was established that during the first two decades of the XV century. the indicated weight of Bulgarian coins gradually decreased - from 0.77 g under Shadibek to 0.57 g under Dervish. For comparison, the author attracted information about the weight of the dirhams of the southern mints of this period. It was found that the weight of southern silver coins also decreased from khan to khan - from 1.12 g under Shadibek to 0.98 g under Kibak. At the same time, the proportion of "2 dirhams of southern coinage = three akche of Bulgarian coinage" continued to be observed. The treasure is a valuable source on the history of Bulgar Vilayat in the 15th century.