Watch List notes:

SASANIAN KINGS. Ardaxšīr (Ardashir) I. AD 223/4-240. BI Tetradrachm (24mm, 12.33 g, 9h). 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 1d) with diadems (type R). SNS type IIe(3d)/3a(2b) (pl. 3, 33); Sunrise 700. Near VF, traces of reddish deposits, flan flaw on obverse, light porosity."

From the Delbert Carl Highlands Collection, purchased from Worldwide Treasure Bureau.