Watch List notes:

Abbasid, al-Mutawakkil (847-61), AV Dinar, 4.27g, al-Basra, AH239, naming heir Abu 'abd Allah below obverse legend (Bernardi 157Je; A.229.2), attractive, about extremely fine, rare.
This date not listed with this mint and type in Bernardi
Estimate: £250.00 - £350.00