Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun, AH 199-218 / AD 813-833. Fals (Bronze, 18 mm, 2.00 g, 6 h), citing the governor Ahmad ibn Yahya, al-Ba'yth and possibly also Jabbar, Arminiya, AH 204 = AD 819/20. Vardanyan 2011, 233. An extremely rare fals from Armenia. Some scratches and thick deposits, otherwise, about very fine.