Khwarizmshahs. 'Ala al-Din Muhammad II. AH 596-617 / AD 1200-1220. AV Dinar (22.6mm, 5.13 g, 12h). Tirmidh mint. Dated AH [5]9x. Obverse: 'Iyyar, 'Standard', in central cartouche / Reverse: naming 'Ala al-din Muhammad and Muhammad bin al-Sultan (Muhammad b. Takash). Album 1712. Some weak striking. VF. Rare.
While the date is almost entirely missing, enough remains of tisa'in to confirm that this coin must have been issued between AH 596-599.