ABBASID, Harun Al Rashid. 786-809 AD.(170-193 AH). Æ Fulus (2.33 gm; 20 mm). Obverse: Mohammad Rasoul al-Allah (Mohamad is prophet of Allah), with name "Yaqub" at the top and "bin Ishaq" at the bottom,and phrase "Bakh" (Admired) below Bin Ishaq, no mint name, year 190, Yaqub bin Ishaq more than likely is a reference to the governor or military commander where the specific region was under his control. Album 338; Tabatabai pp-170-190. Well struck on a nice flan. Choice Good VF. Original find reddish green patina. Extremely rare with unrecorded name of governor.