Watch List notes:

Constantius I, as Caesar (Maximian Herculius, 286-310), Argenteus, Siscia, c. AD 295; AR (g 2,91; mm 18; h 6); CONSTAN - TIVS NOB C, testa laureata a d., Rv. VICTORI - A AVGG, six-turreted camp gate in front of which the four tetrarchs swear over tripod; in ex. *SIS. RIC 57a.
Cabinet tone, minor flan crack, good extremely fine.