Watch List notes:

Khwarizmshahs. Jalal al-Din Mangubarni. AH 617-628 / AD 1220-1231. AR Dirham (17mm, 3.06 g, 11h). Citing Abbasid caliph al-Mustansir. Uncertain mint. Struck circa AH 623/4-628 / AD 1226-1231. Kufic legend: Jalal al-Dunya wa | al-Din Mangubarn[i] | bin al-Sultan; above, Naskh legend Mangbr in two diagonal lines / Kufic legend: al-Mustansir | billah al-amir | al-mu'minin (al-Mustansir | billah al-amir | Commander of the faithful); floral ornament above. Cf. Tye 306/308 (for similar obv./rev. type); SNA Tübingen –; cf. Album 1745.2; ICV 1907. Toned, light cleaning scratches, areas of peripheral weakness. VF. Extremely rare.

Ex BRN Collection (Classical Numismatic Group Electronic Auction 409 (8 November 2017), lot 817; Classical Numismatic Group Electronic Auction 297 (27 February 2013), lot 525.