Zengid Atabegs of Mosul, 656 AH / 1258-1259 AD., Lu'lu'id of Mosul, Badr al-Din Lu'lu', as vassal of the the Ilkhanid overloard / Mongol Great Khan Mangü, Mosul mint, Fals, S/S 72.2.

Zengid Atabegs of Mosul, Lu'lu'id of Mosul (al-Mawsil), Badr al-Din Lu'lu' bin 'Abd Allah (Atabeg of Mosul AH 631-657 / 1233-1259 AD.), as vassal of the Mongols Ilkhanid overloard Mongke Qaan (Mongol Great Khan Mangü), Mosul (al-Mawsil) mint, date off flan (AH 656), AH 656 / 1258-59 AD.,
Fals ("Æ Dirham") (24-25 mm / 8,37 g), bronze, axes irregular alignment ↑↖ (ca. 300°),
Obv.: منكو / قاان اعظم / خداوند عالم / بادشاه روي / زمين زيد عظمه // بسم الله ضرب هذا الفلس بالموصل سنة ست و خمسين و ستمائة , (Mangü / Great Khan / the omniscient / king / "zed azima" of the earth // "in the name of God this Fals was struck in mosul in the year six and fifty and sixhundred") , five lines Persian script plus marginal legend.
Rev.: لؤلؤ / الملك الرحيم / بدر الدين / سلطان الاسلام / ابو الفضائل // لا اله الا الله وحده لا شريك له محمد رسول الله صلى الله عليه , ( "pearl / Rahim king / Badr al-Din / Sultan Al Islam / Abu virtues // there is no God but Allah alone, Muhammad is the Messenger of god") , five lines Arabic script plus marginal legend.
cf. Album 1876 (dated AH 656) ; SS 72.2 .
thanks to Bakkar for the ID

This coin type is named "al-fals" in the obverse marginal legend, actually they are known as "copper dirhams". The type traditionally is listed under the Lu'lu'ids, but could be incorporated into the Mongol coinage as well.