Watch List notes:

ABBASID, Abbasid Revolution, Abu-Moslem, Æ Fals (2.68 gm; 22 mm). Obverse, Shahadah, reverse, Shahadah for Prophet Mohamad, on the outer ring, "mama amr-e be Abu-Moslem Amir, followed by name of the mint " Mohamdiyah (Ray)", followed by year 131. Extremely rare with the name of the leader of the Abbasid revolution Abu-Moslem. Red patina. Choice aEF.