ISLAMIC, Umayyad Caliphate. temp. 'Abd al-Malik ibn Marwan, AH 65-86 / AD 685-705. Dirham (Silver, 23 mm, 1.51 g, 7 h), al-Basra, AH 79 = AD 698/9. SICA II, 449. Rare. Light deposits, otherwise, very fine.
From a Swiss collection of Umayyad and Abbasid coins, assembled in the 1970-1980s (with original flip with S. Album's description).
This is the earliest date for al-Basra.