Silver argenteus, 18mm, 3.0gm, issued c. AD 296. Rome mint.
Obv: MAXIMIANVS CAES, Laureate head facing right.
Rev: VIRTVS MILITVM (Γ in ex.), Four princes sacrificing over tripod before gate in six-turreted inclosure.
These argentii were issued, though not in quantity, as part of Diocletians monetary reform (AD 294). Galerius was made Caesar under Constantius in 293 and married Diocletian's daughter Galeria Valeria.