ISLAMIC, 'Abbasid Caliphate. temp. Al-Rashid, AH 170-193 / AD 786-809. Dirham (Silver, 23 mm, 2.26 g, 5 h), citing Umm Ja'far (Zubayda), the wife of the caliph Harun al-Rashid, and the local governor Da'ud, Ma'dan Bajunays, AH 192 = AD 807/8. SICA III, 1965. Very rare. Crystallized and with some edge chipping, otherwise, very fine.

Umm Ja'far Zubayda became famous for building a number of water reservoirs to ensure sufficient water supplies for pilgrims on their way from Baghdad to Mecca and Medina. She is also one of the main protagonists in the folk tales collection 'One Thousand and One Nights', together with her husband Harun al-Rashid