Watch List notes:

ABBASID: al-Musta'in, 862-866, AR dirham (2.77g), Tiflis, AH248, A-234.1, Bennett-57, decent strike, with full mint & date, without the caliphal heir-apparent, choice VF to EF, RRR. Except for the year AH294 in the name of al-Muktafi, all Abbasid dirhams of Tiflis (Tbilisi) are of the highest rarity.

Estimate: 800- 1,000 USD