ISLAMIC, Anatolia & al-Jazira (Post-Seljuk). Zangids (al-Jazira). Mu'izz al-Din Mahmud, AH 605-639 / AD 1208-1242. Fals (Bronze, 23 mm, 9.65 g, 3 h), al-Jazira, AH 639 = AD 1241/1242. Large Zangid tamgha within a circle of pellets; around the circle, 'al-Malik al-Mu'azzam Wali ahdudu al-Malik al Zahir' in Kufic. Rev. Legend in Kufic reading 'al-Imam al-Mustansir / billah al-Sultan al-a'-/zam Kaikhusrau; around, 'Duriba bi'l-Jazira / sana tis' / wa thalathin / wa sittami'a'. Spengler & Sayles 89. Attractive earthen highlights on a dark patina. Minor edge crack, otherwise, good very fine.

This is the last coin type struck by the Zangid Atabegs of al-Jazira.