Watch List notes:

ISLAMIC, 'Abbasid Caliphate. temp. Al-Mansur, AH 136-158 / AD 754-775. Dirham (Silver, 27 mm, 2.92 g, 3 h), Arminiya (Armenia), AH 146 = AD 763/4. SICA III, 313. A very attractive example. Minor graffito of X on the reverse and with light doubling, otherwise, extremely fine.