Watch List notes:

Abbasid, al-Radi (934-40), gold Dinar, 3.57g, Misr, AH325 (A 254.1), good, fine.
Although this coin is a purely Abbasid issue, it has also been attributed it to the Tulunids because Muhammad al-Ikhshid was governor of Egypt at this time.
Estimate: £120 - £150