SASANIAN KINGS, Yazdgard I, AD. 399-420. Æ unit (0.90 gm; 13 mm). Bust of Yazdgard I on floral ornament right, wearing mural crown with frontal crescent and korymbos, symbols in front / Fire altar, flanked by two attendants. Well struck on a nice compact flan. Nice original reddish-green earthen patina. Choice aEF.