Abū ʿAbd Allāh Muḥammad ibn ʿAbd Allāh al-Manṣūr, better known by his regnal name al-Mahdī, was the third Abbasid Caliph who reigned from 775 to his death in 785. He succeeded his father, al-Mansur.
Gold Dinar of al-Mahdi
Dirham of al-Mahdi, 166 AH, Kirman, silver 2.95 g.
Dirham of al-Mahdi, Medinat al-Salam (Baghdad) mint. Dated AH 162 (AD 778/9)
Dirham of al-Mahdi minted in Bukhara
Abū Jaʿfar ʿAbd Allāh ibn Muḥammad al-Manṣūr usually known simply as by his laqab al-Manṣūr (المنصور) was the second Abbasid caliph, reigning from 136 AH to 158 AH succeeding his brother al-Saffah. He is known for founding the 'Round City' of Madinat al-Salam, which was to become the core of imperial Baghdad.
Abbāsid Caliph al-Manṣūr from the genealogy (silsilanāma), "Cream of Histories" (Zübdet-üt Tevarih, 1598)
Gold dinar of al-Mansur
Khorasan and other territories during the Caliphate in 750.
Abbasid Silver Dirham of Caliph al-Mansur 754–775