Watch List notes:

ABBASID: al-Saffah, 749-754, AR dirham (2.91g), Nahr Tira, AH134, A-211, choice VF, RR. Although a common Umayyad mint, it is very rare for the Abbasids, for whom it was active only in AH134. No Abbasid copper fals has been reported.

Estimate: 600-800 USD