SASANIAN KINGS. Yazdgird I (399-420 AD). PB (Lead) Unit (2.30 gm; 18 mm). Yazdgird bust with standard crown turning right, monogram or letters (YAW? Possibly for Yavet or Javid-Immortal) in front of face, reverse, stand alone fire altar. Well struck on a nice broad flan. Choice VF. Nice original find patina. Extremely rare with extremely rare monogram/letters.