SASANIAN KINGS, Yazdgard I, AD 399-420. Æ unit (2.34 gm; 18 mm). Bust of Yazdgard I on floral ornament right, wearing mural crown with frontal crescent and korymbos, ShPWL (Shapur) in Pahlavi in front / Fire altar flanked by two attendants. Fire altar, flanked by two attendants. Well struck on a nice broad flan. Nice original green earthen patina. Choice VF. Rare.