Watch List notes:

Tahirid, Tahir b. al-Husayn (205-207h), dirham, Madinat Samarqand 206h, rev., citing al-'Ala; Abbasid, al-Ma'mun (194-218h), dirham, Madinat Samarqand 195h, 2.85, 2.58g (Lowick 2701, 2637); al-Mu'tasim (218-227h), dirham, Marw 226h, 2.85g (SICA 4, -; SCC -; Ties. -), generally very fine, all scarce (3) (150 - 200 GBP)