Abbasid Caliphs, al-Mansur (A.H.136-158), Dinars (2), no mint, dated 157, 167, and a centre, 1.8g. cut from a Dinar; al-Mahdi (A.H. 158-169), Dinar, 168; Harun ar-Rashid (A.H.170-193), Dinars (2), 186 (cf. BMC.I, 153, double reverse margin), and 192, rev. arabic 'd' below (cf. Artuq 239); al-Ma'mun (A.H.198-218), Dinars (2), al-Iraq mint, 203, rev. 'Dhu al-Riyasatayn below, some clipped, fine, last scarce (88)