Bronze follis, 24mm, 6.24gm, issued AD 307 Aquileia mint.
Obv: IMP C MAXENTIVS PF AVG, Laureate head facing right.
Rev: CONSERV VRB SVAE (AQS in ex.), Hexastyle temple with crescent in pediment, Roma seated within holding globe and sceptre.
References: Sear 14983, RIC 121a.