Watch List notes:

Constans (337-350). Æ (17mm, 2.35g, 12h). Siscia, 348-350. Diademed, draped and cuirassed bust r. R/ Emperor standing l., in military dress, on galley, holding phoenix on globe and standard with chi-rho; in the stern sits Victory, steering the ship; ASIS(symbol). RIC VIII 244. Green patina, Good VF