Watch List notes:

ISLAMIC, 'Abbasid Caliphate. Al-Wathiq, AH 227-232 / AD 842-847. Dinar (Gold, 19 mm, 3.41 g, 2 h), citing the Abbasid caliph al-Wathiq billah, San'a', AH 229 = AD 843/4. Bernardi 15El. Extremely rare, Bernardi knew just two examples. Somewhat clipped, otherwise, extremely fine.