ISLAMIC, Persia (Post-Seljuk). Khwarizm Shahs. 'Ala al-Din Muhammad II. AH 596-617 / AD 1200-1220. AR Double Dirhem (27mm, 5.35 g, 6h). Citing the 'Abbasid caliph al-Nasir. Ghazna mint. Dated AH 617 (AD 1220). Album 1714; SNA Tübingen XIVd 605-7. VF, areas of flat strike.