SASANIAN KINGS. Kavad I, first reign. (488-531 AD). AR Hemiobol (0.32 gm; 9 mm). Obverse, Kavad's bust turning right, name in front of face, reverse, fire altar with attendants in prayer mode, mint "LYW"(?) or "AI"(?), name of the king to the left. Choice EF. Toned. Extremely rare.