Watch List notes:

ABBASID: Abu Muhammad Musa Al-Hadi (785-786), AR Dirham (2.83g), Madinat Al-Salam (Baghdad), AH 170. Citing Ibrahim Al-Harrani with his first name separated into two portions between the upper and lower reverse fields, also citing Al-Hadi as the "khalifa" (caliph). A-217.2. Extremely fine. Scarce.

Estimate: 100-150