Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Rashid, AH 170-193 / AD 786-809. Dirham (Silver, 22 mm, 2.93 g, 9 h), al-Muhammadiya, AH 191 = AD 806/7. SICA III, 1498. Nicely toned. Struck from a slightly worn reverse die, otherwise, extremely fine.