SASANIAN KINGS. Ardaxšīr (Ardashir) I. AD 223/4-240. AR Hemidrachm (20mm, 1.99 g, 3h). Mint C (Ctesiphon"). Phase 3, circa AD 233/4-238/9. Bust right, wearing diadem (type R) and close-fitting headdress with korymbos and no earflaps / Fire altar (flames 2) with diadems (type R); pellet on altar. SNS type IIIa(4a)/3a(2b); Sunrise –. VF, deposits. Rare."