Watch List notes:

TAHIRID: Tahir I, 821-822, AE fals (1.64g), Marw, AH207, A-1392, obverse margin bism Allah amara bi-darbihi bi-marw tahir bin al-husayn fi sana sab' wa mi'tayn, nice strike, few spots of minor porosity, EF, RRR. Copper coins in the name of Tahir I were struck only at Marw in 206 and 207.

Estimate: 150-200 USD