Watch List notes:

'Abbasid Caliphate. temp. Al-Rashid. AH 170-193 / AD 786-809. Ma'add. AH 173 / AD 789/90). AR Hemidrachm (23.4mm, 1.95g, 4h). Tabaristan mint. Dated PYE 138 = AD 789. Governor's name, written in Arabic, in fourth quadrant of obverse margin. Malek 201; Album 67. Toned. AU. Rare.

Ex Morton & Eden (London) Auction 210 (15 October 2020), lot 1035.