ARTUQIDS OF MARDIN: al-Muzaffar Da'ud, 1368-1376, AE fals (1.36g), Mardin, ND/DM, A-1844, Zeno-5210 (this piece), mint name above obverse field // names of the four Rashidun in center, kalima around, Fine to VF, RRR. The late copper coins of the Artuqids, after about AH748, are all very rare, and almost never found well-struck.
Estimate: 280-350 USD