Watch List notes:

Constantine II. As Caesar, AD 316-337. Æ Follis (19mm, 2.83 g, 6h). Rome mint, 3rd officina. Struck AD 318-319. Laureate, draped, and cuirassed bust right / Roma seated right on shield, inscribing X/V on shield set on lap; P–R//RT. RIC VII 156. Dark brown surfaces with traces of red and residual silvering. Good VF.