Watch List notes:

Constantius I, as Caesar (Maximian Herculius, 286-310), Argenteus, Ticinum, AD 295; AR (g 2,93; mm 20; h 12); CONSTANTI - VS CAESAR, laureate head r., Rv. VIRTVS – MILITVM, six-turreted camp gate in front of which the four tetrarchs swear over tripod. RIC 19a.
Very rare, lightly toned, about extremely fine.