ABBASID: al-Rashid, 786-809, AR dirham (2.83g), Dimashq, AH189, A-219.10a, Lowick-602, very rare one-year type, struck only at Dimashq, with the reverse field legend muhammad rasul / Allah sall Allah 'alayhi wa salam / mimma amara bihi al-amir al-ma'mun, VF-EF, RRR.
Estimate: 700-850 USD