Watch List notes:

HABBARID: 'Umar, ca. 854-875, AR damma (0.57g), A-4528, Fishman-HS4x, obverse legend billah yathiqu / 'umar wa bihi / yuntasir, citing the Abbasid caliph al-Muntasir (861-862) instead of 'Umar below the reverse, well-centered strike, VF, RR.

Estimate: 100-120 USD