A historically significant silver Dirham struck during the reign of the Abbasid Caliph al‑Mansur, the second and one of the most influential rulers of the dynasty. Minted in al‑Basra in AH 145 (AD 762/763), this coin comes from the formative period of early Abbasid monetary reform and coincides with the founding era of Baghdad. Obverse Three-line central inscription: “There is no god but Allah alone, He has no partner.” Margin: Mint and date formula naming al‑Basra and AH 145. Reverse Three-line central inscription: “Muhammad is the Messenger of Allah.” with the early Abbasid formula referring to al‑Mansur. Margin: Qur’anic verse (9:33): “He sent him with guidance and the religion of truth to make it prevail over all religion…” Specifications Mint: al‑Basra Date: AH 145 = AD 762/763 Ruler: al‑Mansur (Abbasid Caliph) Material: Silver Weight: 3.47 g Diameter: approx. 30 mm