Watch List notes:

ABBASID OF YEMEN: al-Ma'mun, 813-833, AR local dirham (1.00g), San'a, AH204, A-1050, citing 'Isa b. Yazid in the reverse field, with additional but unread name below the obverse field, possibly unpublished, VF, RRR.

Estimate: 500- 600 USD