Watch List notes:

Abbasid, al-Muqtadir (295-320h), Dinar, Mah al-Kufa 312h, citing the heir Abu'l-'Abbas, 4.20g (Bernardi 242Mr [this date not recorded]; A 245.2; W 427). Some weakness in margins, otherwise about extremely fine, extremely rare.

See Morton & Eden Auction 54, lot 87, for the only other recorded example of this date (struck from the same reverse die as the present coin but a different obverse die).