SASANIAN KINGS. Ardaxšīr (Ardashir) I. AD 223/4-240. AR Obol (15mm, 0.77 g, 3h). 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 IIe/3a (pl. 3, A11); Sunrise 697 var. (ribbons). Good VF, areas of toning. Rare."