Watch List notes:

Abbasid, al-Mustazhir (487-512h), dinar, Madinat al-Salam 496h, 1.58g (Jafar A.MS.496A; Album B266 RRR; Wilkes 464), a typically coarse striking on a thin and buckled flan, very fine for issue and very rare
Estimate: 500-700 GBP