Muhammad I, Great Seljuq Sultan AH 492-511/AD 1099-1118 Jafar S.MS.503A; A 1683, Extremely Fine Madinat al-Salam (Baghdad) mint, citing Muhammad with title Ghiyath al-Din, also the ‘Abbasid caliph al-Mustazhir and heir ‘Uddat al-Din…