ISLAMIC, Umayyad Caliphate. 'Abd Allah ibn al-Zubayr, rival caliph, AH 60-73 / AD 680-692. Dirham (Silver, 24 mm, 2.68 g, 3 h), Arab-Sasanian type, citing the rival caliph 'Abd Allah ibn al-Zubayr, ART (Ardashir-Khurra), AH 67 = AD 686/7. Draped bust resembling Khosrau II to right, wearing elaborate mural crown; behind head, AFZUT GDH ('may his kingship increase' in Pahlawi); before head, APDWLA-Y ZWPYRAN ('Abd Allah ibn al-Zubayr' in Pahlawi); in outer margin, 'bism Allah' ('In the name of Allah' in Kufic). Rev. Fire altar with ribbons flanked by two attendants; in upper left field, six-pointed star; in upper right field, crescent; to left, date in Pahlawi; to right, ART (name of the mint in Pahlawi). Album 15. SICA I, 16. Walker, Arab-Sasanian, p. 30, B4. Somewhat clipped, otherwise, good very fine.