Watch List notes:

ABBASID, Al-Mansur, (AH 136-158/754-775 AD). AR Drachm (2.89 gm; 25 mm). Mint Madinat-al-Salam (Baghdad), year 153, reverse, under the shahadah for Prophet Mohamad, phrase "Bakh"(Admired and well liked). Choice EF.
Estimate: 30 USD