Watch List notes:

ABBASID, Al-Mansur, (AD 754-775/AH 136-158). Æ Fals (2.30 gm; 18 mm). Mint: (located in flat spot and worn out but most likely Azerbayjan, year 151, from year 145 to 152 these AEs were minted in Northen parts of Iran with decorative rings and always remain rare. Brown patina. Choice EF. Rare.