Watch List notes:

Abbasid governors of Tabaristan, 'Umar b. al-'Ala (155-165h), hemidrachm, tpwrstan PYE 125, obv., governor's name in Pahlawi before bust and in Arabic in margin, 2.01g (Malek 77; Album 57 R), virtually as struck with some lustre, rare (£250-300)