al-ma'mun 786-833 hand drawn engraving portrait. abbasid caliph and patron of the translation movement

alma 039 mun abbasid caliph translation movement patron science islamic ruler hand drawn engraving vector monochrome historical figure golden age middle eastern cultural history intellectual famous leader ages academic culture knowledge wisdom art personality educational black white legacy detailed sketch scholar antique style historic vintage colors portrait al-ma#39aph39#mun 786-833 drawing cartoon face font poster head person organ nose clothing text