Watch List notes:

Constans. AD 337-350. Æ Half Centenionalis (19mm, 2.33 g, 6h). Siscia mint, 2nd officina. Struck AD 348-350. Pearl-diademed, draped, and cuirassed bust right / Phoenix, radiate, standing right atop rocky mound; BSISη. RIC VIII 236; LRBC –. Good VF, dark green to black patina, some minor smoothing.

From the Douglas O. Rosenberg Collection. Ex Classical Numismatic Group Inventory 829169 (December 2008).