Watch List notes:

ABBASID; Musa, Al-Hadi. year 164-165 AH. Æ Folus (Fals) (2.02 gm; 19 mm). Mint: Sabur (Shapur or 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. Reddish-green patina. Choice EF. Extremely Rare.