Watch List notes:

ABBASID REVOLUTION: Anonymous, 744-751, AR dirham (2.84g), Hamadan (Hamadhan), AH129, A-206.1, Klat-676, one of the rarest mints of the Abbasid Revolution series of type A-206.1, struck by partisans of 'Abd Allah b. Mu'awiya, only one inferior specimen cited on CoinArchives, choice VF-EF, RRR.

Estimate: 3,000-4,000 USD