Watch List notes:

SAMANID, Nasr ibn Ahmad (also known as Nasr II), 301-331 AH,(914-943 AD), AR Dirhem (2.50 gm; 29 mm). Obverse, "Mohammad Rasoul al-Allah, AlMoqtadar-o billah, Nasr Ibn Ahamd", reverse, Shahadah, date 309, inner ring, starting at 3 o'clock, counter clock wise, mint, Samarqand at 6 oclock, Album 1450; Tabatabai 326; Mitchiner 669. Choice EF. Toned. Extremely rare.