Watch List notes:

ATABEGS OF KHUZESTAN: Husam al-Din Aydughdu, ca. 1155-1175, AV dinar (2.26g), 'Askar, AH553 (sic), A-1921K, citing only the Great Seljuq brother Arslan b. Tughril and the caliph al-Mustanjid, EF, RRR. An example struck from the same obverse die has the reverse that cites both Seljuq brothers Arslan and Muhammad, sons of Tughril II.

Estimate: 400-600 USD