ISLAMIC, Persia (Post-Seljuk). Atabegs of Khuzestan. Husam al-Din Aydughdu, AH 550-570 / AD 1155-1175. Dinar (Gold, 21 mm, 2.00 g, 6 h), ʿAskar, AH 5xx. Citing the ʿAbbasid caliph al-Mustadi bi-amr Allah (AH 566-575 / AD 1170-1180), ‘lā ilāha illā / Allāh waḥdahū / lā sharīka lahū / al-Mustaḍī bi amr / Allāh’ (‘There is no deity but Allah, the One, there is no partner to Him. al-Mustadi bi-amr Allah’ in Arabic); above, to left and right, ‘Ḥusām – al-Dīn – Ayādughdī’ (‘Husam al-Din Aydughdu’ in Arabic); in the margin, ‘bism Allāh ḍuriba hādhā al-dīnār bi ʿAskar sana … wa khamsa miʾa’ (‘In the name of Allah. This dinar was struck in ʿAskar in the year 5xx’ in Arabic). Rev. Citing the Great Seljuq Arslan ibn Tughril (AH 556-571 / AD 1161-1176) and his brother, Muhammad, ‘Muḥammad rasūl Allāh / al-sulṭān al-aʿẓam Abu/’l-Muẓẓaffar Arslān ibn Ṭughril / al-sulṭān al-muʿaẓẓam Abū / Shujāʿ Muḥammad ibn Ṭughril’ (‘Muhammad is the messenger of Allah. The supreme sultan Abu’l-Muzaffar Arslan son of Tughril. The great sultan Abu Shujaʿ Muhammad son of Tughril’ in Arabic); title of Arslan ibn Tughril to right, ‘Muʿizz al-Dunyā wa al-Dīn’ (in Arabic); title of Muhammad ibn Tughril to left, ‘Rukn al-Dunyā wa al-Dīn’ (in Arabic). Album 1921K. Extremely rare. Struck from worn and corroded dies, otherwise, very fine.