Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Mu'tadid, AH 279-289 / AD 892-902. Fals (Bronze, 20 mm, 2.39 g, 4 h), struck under Muhammad ibn Musa ibn Tulun, Tulunid governor of Tarsus, Tarsus, AH 279 = AD 892/3. Kalima in three lines; below, 'fard' ('excellent' in Kufic, related to the quality of the metal). Rev. 'that has ordered al-Amir Muhammad bin Musa' in Kufic. Grabar, Coinage of the Tulunids, 59. Rare. Very fine.