ISLAMIC, Persia (Post-Mongol). Timurids. Shah Rukh I, AH 807-850 / AD 1405-1447. Tank (Silver, 23 mm, 4.75 g, 12 h), citing Shah Rukh I as Sultan al-'Azam / Shahrukh bahadur, Qum, AH 833 = AD 1429/30. Album 2405. Darkly toned. Some scratches and struck somewhat off center, otherwise, very fine.