Watch List notes:

ABBASID: al-Amin, 809-813, AR dirham (2.92g), al-Muhammadiya, AH194, A-221.4, Lowick-1910, in the name of the caliphate heir-apparent al-Ma'mun, also citing the governor al-'Abbâs, with a pellet below that name, strong VF, RR.

Estimate: 150-200 USD