Watch List notes:

Galerius Maximianus, as Caesar (Diocletian, 284-305), Argenteus, Siscia, c. AD 300; AR (g 3,66; mm 20; h 6); MAXIMI - ANVS NOB C, laureate head r., Rv. VIRTVS - MILITVM, three-turreted, open camp gate open; in ex. *SIS. RIC 67b.
Very rare. Lustrous, large flan, fdc.