Watch List notes:

ABBASID: al-Ma'mun, 810-833, AR dirham (3.52g), Madinat Arran, AH212, A-223.8, Var-171, citing Khalid b. Yazid above the reverse field, and undetermined name, perhaps to be read as al-A'thar or something similar, lovely bold strike, choice EF, RRR. Vardaniyan was also unable to identifiy the lower name.

Estimate: 550-650 USD