ISLAMIC, Mongols. Great Khans. temp. Chingiz (Genghis), AH 602-624 / AD 1206-1227. Jital (Billon, 17 mm, 4.19 g), citing Chingiz as 'al-Khaqan al-Adil al-Azam ('Khan of Khans, the Just, the Supreme' in Arabic) and the Abbasid caliph al-Nasir li-Din Allah (1180-1225), Mongol military base around or in Ghazna, AH 618 = AD 1221. Album 1969. Rare. XF. This type was struck during the Mongol chase of Jalal ad-Din Mingburnu, the last of the Khwarezm Shahs, who fled to the Indus River. Jalal was defeated decisively in spring 1221 in the Battle of the Indus, but to Genghis' great disappointment, the Shah escaped to India. He remained a constant thorn in the Mongols' side until he was assassinated by an unknown Kurd in the Mayyafarikin mountains in 1231.