Bronze antoninianus, 24mm, 4.60gm, issued AD 290/291 Londinium mint.
Obv: IMP C CARAVSIVS PF AVG, Radiate, draped bust facing right.
Rev: PAX AVG (ML XXI in ex.), Pax standing holding branch and sceptre, S P across.
References: Sear 13640, RIC 118.