Watch List notes:

ABBASID, al-Ma'mun 'Abd Allah, 194-218 AH(810-833 AD). AR Dirhem (2.73 gm; 24 mm). (Abu Ja'far, b. al-Rashid), obverse, Shahadah, reverse, Shahadah for prophet Mohamad, mint Madinat al-Shaash (same as the ancient city of Chach), year 200. Rare mint and year. Choice VF. Toned.
Estimate: 30 USD