Watch List notes:

ABBASID, Al-Mansur (AD 754-775/AH 136-158). AR Dirhem (2.88 gm; 25 mm). obverse, Shahdah, mint: Madinat al salam (Baghdad) , year 154. Reverse, Shahadah for Prophet Mohamad, followed by phrase "Bakh Bakh" (Much Admired). Choice aEF. Lightly toned.