Watch List notes:

Abbasid, Harun al-Rashid (170-193h), silver half dirham or hemidrachm, Tabaristan 175h, citing the caliph and Governor, 'Abdullah, wt. 1.82gms. (A.219.7 [RRR]; Lowick 2060; Malek 1368), pleasing very fine, very rare (£800-1000)