Watch List notes:

Abbasid, al-Muqtadir (295-320h), Dinar, Mah al-Kufa 310h, with the name of the heir Abu'l-'Abbas, 4.10g (SICA 4:813 [same obv. die]; Bernardi 242Mr; A 245.2). Reverse double-struck, otherwise very fine, very rare.
Struck from a die with the mint name altered; the original mint is uncertain.

Estimate: £250-300