Pre-reform issues, Arab-Sasanian. Umar b. 'Ubaydallah. AH 67-72 / AD 686-691. AR Drachm (30.9mm, 4.02 g, 6h). BYŠ (Bishapur) mint. Dated AH 68 (AD 687/8). Obverse margin: - / lillah al-hamd / - / -. Malek, Arab-Sasanian 312; SICA 1, 163ff; Album 21. A few pin-marks in obverse margin. Near EF.