'Abbasid caliphs
al-Hâdî Mûsâ, 169-170 H./785-786 AD. Dirham 170 H., Madînat as-salâm, with the name of the caliph and the marks alif-bâ-râ above and hâ-yâ-mîm below the rev. field for the vizier Ibrâhîm ibn Dhakwân al-Harrânî and the mark 'ain at 12 h in obv. margin. Lowick/Savage 1264; Qatar 1574. 2.94 g.; Very rare Extremely fine
Acqu. Peus auction 371, April 2002, lot no. 704.