Watch List notes:

'Abbasid Caliphate. temp. Al-Mahdi. AH 158-169 / AD 775-785. Nusayr. AH 168 / AD 784/5. AR Hemidrachm (22.5mm, 2.18g, 5h). Al-Rayy mint. Dated AH 168 / AD 784/5. Reverse: Mint and date in Arabic to either side of fire-altar. Malek 212; Album L73 RRR. Near EF. Very rare.