Watch List notes:

SAFFARID: Tahir b. Muhammad, as governor at Marw, ca. 894-899, AR dirham (2.92g), Marw, AH284, A-S1404, extremely rare Saffarid mint, unlisted by Lloyd, first reported on CoinArchives in 2018 (dated AH282), VF, RR.

Estimate: 110-150 USD