ISLAMIC, Mongols. Chaghatayid Khans. Buyan Quli, AH 749-760 / AD 1348-1359. 12 Dirhams = Double Dinar (Silver, 30 mm, 8.37 g), [Herat], AH 758 = 1357. Within a square, ‘lā ilāha illā Allāh / Muḥammad / rasūl Allāh’ (‘There is no deity but Allah. Muhammad is the messenger of Allah’ in Arabic); the names of the four Rashidun Caliphs around. Rev. Within a circle, ‘al-sulṭān al-aʿẓam / Būyān Qulī Khān / khalada mulkuhū’ (‘The supreme Sultan, Buyan Quli Khan. May his kingdom be perpetuated’ in Arabic); around, ‘fī sana thamān wa khamsīn wa sabʿa miʾa’ (‘In the year 758’ in Arabic). Album A2009. Rare. Areas of weakness and light cleaning scratches, otherwise, very fine.