Watch List notes:

ABBASID: Al-Hadi. year 164-165 AH. Æ Folus (Fals) (2.56 gm; 20 mm). Bishapur, year 164-165 AH. Obverse citing governer Talhe ibn Da'ud (Dawood), reverse; citing the heir to Caliphate, Musa which later on took the name Al-Hadi as Abbasid khalif, mint: Sabur (Shapur or Bishapur), year 164-165 AH. Well struck. Choice Good VF. Nice reddish patina. Rare.