ISLAMIC, 'Abbasid Caliphate. temp. Al-Ma'mun, AH 193-218 / AD 809-833. Drachm (Silver, 32 mm, 2.73 g), ʿAbbasid Governors of Eastern Sistan: Class IV. With two countermarks: that of Daʾud ibn Yazid (circa AH 177 / AD 793), and that of al-Layth (AH 200-204 / AD 815-819). Khosrau-type bust to right; behind head, countermark ‘al-Layth / jāʾiz’ (‘al-Layth, current’ in Arabic); before head, ‘hwslwb’ (‘Khosrau’ in Pahlavi); in the margin, ‘bism Allāh …’ (‘In the name of Allah …’ in Arabic). Rev. Fire altar flanked by two attendants; countermark on the fire: ‘Dāwūd ibn Yazīd’ (‘Daʾud ibn Yazid’ in Arabic); Pseudo Pahlavi legends to left and right. Album C90. For host coin, Album 89D (Salih Rida). Zeno-201039 (this coin). Rare. Minor edge crack, and with some weakness and deposits, otherwise, very fine.