Classical Numismatic Group, Islamic Auction 8, Los 382 Pre-Mongol Asia
Tahirids. Tahir I b. al-Husayn. AH 205-207 / AD 821–822. AR Dirham (25mm, 3.01 g, 6h). Madinat Herat mint. Dated AH 206 (AD 821/2). Citing Al-Shukr b. Ibrahim. Wilkes 13; Album 1391A. Good VF, attractively toned.