Watch List notes:

ABBASID: al-Ma'mun, 810-833, AR dirham (2.90g), Arran, AH207, A-223.4, Vardanian-155 (same dies), citing 'Isa al-Ma'muni & Muhammad b. 'Abd Allah al-Kalbi, probably once lightly mounted, but with small repaired piercing, choice VF, RR.

Estimate: 200- 300 USD