Sasanian Kingdom. Ardashir I. A.D. 223/4-240. AE tetradrachm (27.2 mm, 10.00 g, 7 h). phase 3b, ca. A.D. 233/4-238/9. Crowned bust of Ardashir I on left vis a vis crowned bust of Shapur I on right / Fire altar with ribbons; censers below. SNS Type VIII/3a; Göbl VII/2; Sellwood 11. VF. Rare.