Watch List notes:

Sasanian Kingdom. Yazgard I. A.D. 399-420. AR drachm (26.7 mm, 4.07 g, 3 h). LYW (Rev Ardeshir) mint. Crowned and cuirassed bust right, border of dots / Fire altar with two attendants, border of dots. Göbl 147. aEF. 

Struck on a large flan.