Watch List notes:

ABBASID REVOLUTION: Anonymous, 744-751, AR dirham (2.78g), Ramhurmuz, AH128, A-206.1, Klat-391, one of the rarest mints of the Abbasid Revolution series of type A-206.1, struck by partisans of 'Abd Allah b. Mu'awiya, some hornsilver, mainly on the reverse; only one inferior specimen cited on CoinArchives, bold VF, RRR.

Estimate: 500-600 USD