SASANIAN KINGS. Ardashir I. AD. 223/4-240. AR Drachm (4.00 gm; 25 mm). Mint C ("Ctesiphon"), phase 3, ca. AD 233/4-238/9. Bust of Ardashir I right, wearing diadem and close-fitting headdress with korymbos and no earflaps. Reverse: Fire altar with diadems. SNS type IIia(4a)/3a(2b); Göbl type III/2/2; Sunrise 715var. Large pellet in the middle of altar. Choice aEF. Toned.