Watch List notes:

Abbasid, al-Rashid (170-193h), dirham, al-Muhammadiya 183h, rev., in field: mimma amr bihi al-amir al-Amin Muhammad bin amir al-mu'minin fi wilayat Muhammad b. Yahya (Lowick type K4d), 2.61g, good fine and extremely rare. This rare reverse type is known for 180h and 181h (as Lowick 1735ff and 1761), but appears to be unrecorded for this date.
(450-550 GBP)