Persia (Post-Seljuk). Khwarizm Shahs. Jalal al-Din Mangubarni, AH 617-628 / AD 1220-1231. Dinar (Gold, 24 mm, 3.58 g, 9 h), Ghazna type. Citing the ʿAbbasid caliph al-Nasir li-din Allah (AH 575-622 / AD 1180-1225) within a circle, ‘lā ilāha illā / Allāh Muḥammad / rasūl Allāh / al-Nāṣir li-dīn / Allāh’ (‘There is no deity but Allah. Muhammad is the messenger of Allah. al-Nasir li-din Allah’ in Arabic); marginal legend effaced. Rev. Within a circle, ‘Allāh / al-sulṭān al-aʿẓam / Jalāl al-Dunyā wa al-D/īn Abu’l-… / ibn al-sulṭān Muḥammad’ (‘Allah. The Supreme Sultan, Jalal al-Dunya wa al-Din Abu’l-..., son of Sultan Muhammad’ in Arabic); marginal legend off flan. Album 1742. Very rare. Some areas of weakness, doubling and flan faults on the edge, otherwise, good very fine.