SASANIAN KINGS. Ardashir I. AD. 223/4-240. AE Unit (10.50 g; 25 mm). Phase 3b, ca. A.D. 233/4-238/9. Crowned bust of Ardashir I on left vis a vis crowned bust of a young male on right / Fire altar with ribbons; censers below. SNS Type VIII/3a; Göbl VII/2; Sellwood 11. Brown reddish patina. Some natural deposit. Choice VF. Rare.