Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Mansur, AH 136-158 / AD 754-775. Dirham (Silver, 25 mm, 3.00 g, 6 h), al-Basra, AH 138 = AD 755/6. SICA III, 533. Light areas of weakness, otherwise, extremely fine.