SASANIAN KINGS, Yazdgard I, AD 399-420. Æ unit (1.78 gm; 17 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 broad flan. Original green and earthen patina. Choice VF.