Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun, AH 199-218 / AD 813-833. Dirham (Silver, 26 mm, 3.00 g, 9 h), Madinat al-Salam, AH 205 = AD 820/1. SICA IV, 1773. A sharply struck and lustrous example. The flan slightly wavy and some die rust, otherwise, good extremely fine.