Watch List notes:

ABBASID: al-Saffah, 749-754, AR dirham (2.82g), Nahr Tira, AH134, A-211, extremely rare mint for the Abbasids, located in Khuzestan province, active only in AH134, VF, RRR. A similar specimen sold in the Islamic Coin Auction 26, Lot 119 (August 2014) for about $1450.

Estimate: 600- 800 USD