Watch List notes:

ABBASID, Al Mahdi. 775-785 AD. AR Dirham (2.85 gm; 24 mm). Madinat al-Salam (Baghdad) mint, dated AH 163. MWI 159 type. Lovely strike. Choice UNC. Lustrous. Ex. Bill Warden's. Comes with original tag.

Estimate: 100 USD