Silver argenteus, 20mm, 2.79gm, issued AD 294/295 Siscia mint.
Obv: MAXIMIANVS AVG, Laureate head right.
Rev: VICTORIA SARMAT, Tetrarchs sacrificing over tripod; behind, archway in an eight-turreted enclosure.
References: see Sear 13094, RIC 34b, RSC 550b.
Scarce.