IDRISID: Idris II, 791-828, AR dirham (2.39g), Walila, AH1(8)5, A-420, with khalifa between the 2nd and 3rd lines of the obverse field, and the unrecorded name maksân (or something similar) below the obverse field, some light porosity, Fine to VF, RRR.
Estimate: 150- 200 USD