Islamic Coins, Abbasid, al-Mahdi, silver dirham, Harunabad 169h, rev. Arminiya in upper field and official Hasan below; together with al-Hadi, silver dirhams (2) 169h, 170h with heir al-Rashid and governor Ibrahim, wts. 2.80gms.; 2.50gms.; 2.67gms. (A.215.3, 217.4, 217.5), all very fine (3)