Watch List notes:

SASANIAN KINGS, Shahpur II, AD 309-379. Æ unit (3.28 gm; 21 mm). No mint. Bust of Shapur II right, wearing mural crown with korymbos, double border, traces of some Latin letters left from a Roman under-type / Fire altar with ribbon and bust right in flames, flanked by two attendants, each wearing mural crown with korymbos, double border. Gobl SN V/8. Over struck on a Roman coin. Lovely strike on anice broad flan. Double borderline of dots. Choice VF. Nice original find patina. Very rare.