Watch List notes:

Constantius I, as Caesar, 293-305. Antoninianus (Silvered bronze, 21 mm, 3.48 g, 6 h), Siscia, 293-294. FL VAL CONSTANTIVS NOB C Radiate, draped and cuirassed bust of Constantius I to right, seen from behind. Rev. PRAESIDIA REI PVBLIC / XXIA Constantius and Galerius standing facing each other, holding together a Victory on globe and each holding a spear in left hand; between them, captive, kneeling left with hands raised towards Constantius. Cohen 218. RIC 671. Very rare. A well centered example of this interesting issue with faint silvering. Minor cleaning marks, otherwise, about extremely fine.