Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. al-Ma'mun. AH 199-218 / AD 813-833. AR Dirham (26mm, 2.94 g, 2h). al-Rafiqa mint. Dated AH 208 (AD 823/4). Album 223.5; ICV 390. Near VF, traces of earthen deposits, slightly wavy flan. Very rare.