SASANIAN KINGS. Ardaxšīr (Ardashir) I. AD 223/4-240. AR Drachm (25mm, 4.38 g, 9h). Mint C (Ctesiphon"). Phase 4, circa AD 238/9-240. Bust right, wearing diadem (type G) and close-fitting headdress with korymbos and no earflaps / Fire altar (flames 4) with diadems (type G). SNS type IIIa(4a)/3a(2b); Sunrise 714. EF, toned."