Watch List notes:

ABBASID: al-Ma 'mun, 810-833, AV dinar (4.23g), NM (Egypt), AH208, A-222.9, Bernardi-96, citing the governor of Egypt, 'Ubayd Allah b. al-Sari, below obverse, and the caliph al-Ma 'mun on the reverse, annulet below the caliph 's name, EF, R.

Estimate: 300-375 USD