Mahmud II, Seljuq Sultan AH 511-525/AD 1118-1131 Jafar S.MS.514C (obverse)/ 514B (reverse); A 1688, Very Fine Madinat al-Salam (Baghdad) mint, citing Mahmud with title Mughith al-Din, the ‘Abbasid caliph al-Mustarshid, as heir, Abu’l…