Watch List notes:

Constans. AD 337-350. Æ Centenionalis (3mm, 5.06 g, 6h). Siscia mint, 3rd officina. Struck AD 348-350. Pearl-diademed, draped, and cuirassed bust right; A behind / Soldier left, spearing fallen horseman; shield to lower right; A/–//•ΓSIS•. RIC VIII 254; LRBC 1153. Superb EF, silvering.