Watch List notes:

Constantius I, as Caesar (Maximian Herculius, 286-310), Argenteus, Ticinum, AD 300; AR (g 3,45; mm 18; h 11); CONSTANTI - VS CAESAR, laureate head r., Rv. XCVI / T, in laurel wreath. RIC 21a; C 346.
Rare, about extremely fine.