ARAB-SASANIAN, Abdallah ibn Zubair (Rival Khalif), Year 56. AR Dirhem (4.11 gm; 31 mm). Obverse, sasanian style bust turning right with name in pahlavi in front of face, Phrase Bismillah on the second quarter, triple dots flanking star and crescent at 6 oclock. Dot at top of star on 3 and 9 oclock, reverse Year 56 on the left, mint DA (Darabgird). Choice AU with some luster.