Sasanian Empire, Ardaxšīr (Ardashir) I, Silver Drachm, 3.52g, Mint C ("Ctesiphon"), Phase 3, circa AD 233/4-238/9, Obv: Bust of king to right, wearing diadem (type G) and close-fitting headdress with korymbos; no earflaps, Rev: Fire altar (flames 1) with diadems (type R). (SNS Type IIIa(4a)/3a(2b)). Very fine, rare.