Watch List notes:

ABBASID: al-Ma'mun, 810-833, AV dinar (4.24g), Misr, AH199, A-222.5, citing Dhu'l-Ri'asatayn, al-Fadl and the governor of Egypt, al-Muttalib, first issue with the mint name Misr, fabulous strike, superb About Unc.

Estimate: 700-800 USD