Watch List notes:

TAHIRID: Talha, 822-828, AR dirham (2.81g), Madinat Herat, AH209, A-1393, citing the Tahirid ruler only as Talha, EF, RRR. Talha's dirhams of Herat AH208 cite the caliph al-Ma'mun, with the issues of AH209 being without the name of the caliph.

Estimate: 150-250 USD