Watch List notes:

ABBASID: al-Ma'mun, 810-833, AR dirham (3.11g), Bukhara, AH196, A-223.4, without any reference to the caliph, citing only the vizier al-Fadl, very rare type for Bukhara (one of 3 different legends used on dirhams of Bukhara dated AH196), EF to About Unc, R.

Estimate: 130-170 USD