Watch List notes:

ISLAMIC, 'Abbasid Caliphate. al-Musta'in. AH 248-252 / AD 862-866. AV Dinar (22mm, 4.14 g, 4h). Citing al-'Abbas as heir. Misr (al-Fustat) mint. Dated AH 250 (AD 863/4). AGC I 161De; Album 233.2; ICV 410. Good VF, areas of weak strike.