Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun, AH 199-218 / AD 813-833. Dirham (Silver, 25 mm, 3.00 g, 2 h), al-Kufa, AH 206 = AD 821/2. SICA IV, 1295. A sharply struck and lustrous example. Good extremely fine.