Watch List notes:

ALID OF TABARISTAN: in the name of al-Mahdi, caliph, 775-785, AR dirham (1.88g), NM, ND, A-1523, with portions of Qur'an verse 42:23 and 17:81 replacing the mint & date formula on the obverse, probably struck around 790s or slightly later, excellent strike for this remarkable type, EF, RRR.

Estimate: 200-300 USD