Ancient World, Sassanian Empire (c. 300-400 AD), Silver Drachm, 4.04Grms, OBV: Crowned and diademed bust of king to right, Pahalvi legend, Dotted border around, Stars and Crescents outside dotted border, REV: Zoroastrian Fire Altar at center, flanked by attendants on either side, Sun and Moon above, Dotted border around.