ARAB-SASANIAN; Sakastan series. Khosrau type. mid to late 8th century AD. AR Dirham (3.05 gm; 32 mm). with the name of "Misma'"-, degenrated Sasanian style bust turning right, name on the first quarter, followed by "Bismillah" on the second quarter and "Rabi" on the third quarter, date and mint mark degenerated. Album 85. Choice VF. Original patina. Extremely rare.