Vetranio. Centenionalis

Vetranio; 350 AD, Siscia, Centenionalis, 4.50g. RIC-287 (S), C-4 (25 Fr.). Obv: D N VETRA - NIO P F AVG Bust laureate, draped, cuirassed r., seen from front; star before portrait, A behind. Rx: H[OC SIG] - NO VICTOR ER[IS] Emperor standing l. holding standard topped by Chi Rho banner and transverse spear, crowned by Victory standing behind him who also holds palm branch; .A(?)SIS. in exergue, A in l. field. The officina letter in reverse exergue is obscured by corrosion.This type commemorates the sign of the cross that Constantine I saw before the Battle of the Milvian Bridge and his victory over Maxentius. This is the only issue that illustrates this event. MS