Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Saffah, AH 132-136 / AD 749-754. Fals (Bronze, 21 mm, 3.70 g, 7 h), struck under the governor, Ismail bin Ali, Al Mawsil (Mosul), undated. Album 308. Green patina. Nearly extremely fine.