In the article for the first time coinage of the period of Seljuk sultan Tughrul III (571-590 AH = 1176-1194) is viewed, especially coins with names of atabeks of Azerbaijan and this sultan are considered. The study of Azerbaijani mints, main coin denominations, topography of such finds along with the coverage of socio-economic relations of the medieval period, also contributes to the definition of the peculiarities of coinage. Along with information about coins minted during the reign of atabeks of Azerbaijan - Muhammad Jihan Pahlawan (571-582 AH = 1175-1186) and Qizil Arslan (582-587 AH = 1186-1191), the article reports about important militarystrategic cities of Azerbaijan functioning also as production centers. As a result, the article reveals the reasons for the use of copper coins in the coinage of the period under investigation, the role of gold coins in trade relations, the religious title of Sultan Tughril III and other numismatic innovations, and notes existing errors. The year 2024 coincides with the memorable anniversary of the death of Sultan Tughril III, which increases the relevance of the article.