Watch List notes:

ABBASID: al-Ma'mun, 810-833, AR dirham (2.88g), Ma'dan Bajunays, AH216, A-223.4, Vard-231, citing the governor Khalid b. Yazid, last year of coinage at this mint, EF, R. Ma'dan Bajunays was a temporary mint in Greater Armenia, active AH190-216, striking only silver coins.

Estimate: 300-350 GBP