Watch List notes:

ISLAMIC, 'Abbasid Caliphate. al-Mu'tamid. AH 256-279 / AD 870-892. AV Dinar (22mm, 4.36 g, 12h). Citing Ja'far as Heir. Madinat al-Salam (Baghdad) mint. Dated AH 257 (AD 870/1). AGC I 173Jh; Album 239.1; ICV 416. VF, weakly struck, scrapes on reverse.