ISLAMIC, 'Abbasid Caliphate. temp. Al-Rashid, AH 170-193 / AD 786-809. Hemidrachm (Silver, 23 mm, 1.93 g, 11 h), Arab-Sasanian type, citing governor Maʿadd (PYE 138 = AH 173 = AD 789), Tabaristan, PYE 138 = AD 789. Draped Sasanian-style bust to right, wearing an elaborate crown; behind head, ‘GDE / ʾp̄zwt’ (‘[may his] glory increase’ in Pahlavi); before head, ‘Maʿadd’ (‘Maʿadd’ in Arabic); in outer margin to left and right, ‘nywk' ˗ ʾp̄d’ (‘good ˗ wonderful’ in Pahlavi). Rev. Fire altar, flanked by two attendants; above altar, two stars; to left, date in Pahlavi; to right, ‘tpwlstʾn’ (‘Tabaristan’ in Pahlavi). Album 66. Very rare. Some areas of weakness, otherwise, very fine.