Watch List notes:

WORLD COINS, ISLAMIC, Zangid Atabegs of Al-Jazira, Al-Mu'azzam Mahmud with Wali 'Ahad al-Zahir (605-648h / 1209-1251 AD), Copper Dirham, 9.50g, al Jazira (639h), large tamgha in centre, legend with names of Mahmud and al-Zahir in margin, rev legend in centre with names of Caliph al-Mustansir and Seljuq overlord Khai Khusrau II (SS 89; BMC 651; Butak 95). Very fine.

Estimate: £30-50