Watch List notes:

Constantine I. AD 307/310-337. AE Follis (19mm, 3.14 g, 6h). Siscia mint, 1st officina. Struck AD 318. Helmeted and cuirassed bust left, holding spear over shoulder and shield / Two Victories standing facing one another, holding vota shield; altar below; I//ASIS*. RIC VII 51. Much residual silvering, hard green encrustation. EF. Rare.