Watch List notes:

ISLAMIC, Persia (Pre-Seljuq). Tahirids. Talha ibn Tahir, AH 207-213 / AD 822–828. Dirham (Silver, 24 mm, 2.83 g, 1 h), citing Talha ibn Tahir, Zaranj, AH 209 = AD 824/5. Album 1391. Rare. Good very fine.