Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun, AH 193-218 / AD 809-833. Dinar (Gold, 18 mm, 3.88 g, 10 h), anonymous, traditional type, without mint, AH 1[9]9 = AD 813. Bernardi 51. Clipped, otherwise, very fine.