ABBASID: al-Rashid, 786-809, AR dirham (2.59g), Madinat al-Salam, AH176, A-219var, reverse legend of al-Mahdi, with the name harun below, generally as Lowick-1305 obverse and 1307 reverse, possibly unpublished, bold EF, RRR. With the exception of the AH175 issue citing Yazid, all dirhams of Madinat al-Salam dated 172-178 are extremely rare.
Estimate: 300-400 USD