SASANIAN KINGS. Ardaxšīr (Ardashir) I. AD 223/4-240. BI Tetradrachm (25mm, 15.37 g, 1h). Mint C ("Ctesiphon"). Phase 2c, circa AD 226/7-228/30. Bust right, wearing diadem (type G) and Parthian-style tiara decorated with star(?) / Fire altar (flames 1) with diadems (type G). SNS type IIc(3b)(?)/3a(2b); Sunrise –; Zeno –. Dark green-brown patina, cleaning scratches some bare metal revealed. VF.