SASANIAN KINGS. Yazdgird I, 399-420 AD. AR drachm (4.30 gm; 28 mm). "BBA" mint. Standard issue, reverse, fire altar with attendants, crescents and dots flanking the flames, mint "BBA" (Court at Ctesiphon) on the right of right attendants. Choice FDC. Lightly toned. Lustrous.