SASANIAN KINGS. Ardaxšīr (Ardashir) I. AD 223/4-240. Æ Chalkous (12mm, 1.80 g, 9h). Mint C (Ctesiphon"). Phase 2c, circa AD 226/7-228/30. Bust right, wearing diadem (type R) and Parthian-style tiara[decorated with star] / Fire altar (flames 1) with diadems (type R?). SNS type IIi/3a; Sunrise 701. VF, earthen black-green patina."