Watch List notes:

QASIMID: al-Mahdi Muhammad, 1697-1718, AR dirham (1.84g), NM, AH1118, A-1141.5, 5th series, struck only in 1118, legend "al Mahdi li-din Allah // the servant of God and His caliph", superb well-centered strike, EF to About Unc, RRR. Fifth standard is about 3.05g, rather accurately maintained.

Estimate: 100-150 USD