al-Musta’in, 'Abbasid Caliph AH 248-251/AD 862-866 Bernardi 161Qe; SICA-4, 570; A 233.2, Extremely Fine Samarqand mint. Kalima at center, double obverse marginal legends with Qur’an 30:4 in outer margin, date formula in inner margin,…