Watch List notes:

Abbasid, al-Rashid, AH 170-193 (AD 786-809). AR dirham (2.78 gm; 26 mm). al-Muhammadiya mint. Dated AH 186. Album 219.9. citing al-Amin Muhammad and vizier Ja'far (b. Yahya al-Barmaki). Choice EF.