Watch List notes:

ABBASID: al-Ma 'mun, 810-833, AV dinar (3.98g), NM, AH193 (sic), A-222var, muling of an obverse of al-Ma 'mun citing the Egyptian governor Sulayman and a reverse of al-Amin with lil-khalifa below the field, contemporary imitation, possibly slightly debased gold content, Fine.

Estimate: 200-260 USD