ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun, AH 199-218 / AD 813-833. Fals (Bronze, 22 mm, 3.29 g, 2 h), citing the governor Ahmad ibn Yahya, al-Ba'yth and possibly also Jabbar, Arminiya, AH 204 = AD 819/20. Vardanyan 2011, 233. Extremely rare. Thick deposits and with some cleaning scratches, otherwise, about very fine.