Watch List notes:

ABBASID, al-Ma'mun 'Abd Allah, 194-218 AH(810-833 AD). AR Dirhem (2.92 gm; 22 mm). (Abu Ja'far, b. al-Rashid), obverse, Shahadah, reverse, Lillah followed by Shahadah for prophet Mohamad followed by name "Hurthama"(Possible Governor) and a monogram , mint Isbahan (Isfahan), year 198. Choice Superb EF. Toned. Rare.
Estimate: 50 USD