Watch List notes:

Abbasid, temp. al-Ma'mun (194-218h), Dirham, Madinat Arran 215h, citing Khalid b. Yazid and Ibrahim b. 'Attab, 2.69g (Vardanyan 173; A 223.4; W 390). Wavy flan, remains of mount on edge, otherwise fine, very rare. (£80-100)